Verify Math Problems on Percentage Change, Tax or Interest
Determine each number. Round to the nearest tenth if necessary.
1. What number is 25% of 280 70
2. 28 is what percent of 50 76%
Determine each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or a decrease.
3. 500 albums to 100 albums -80%
4. 350 yards to 420 yards 20%
Determine the total cost to the nearest cent.
5. $105 skateboard; 7 1/2% tax $112.88 = $112.90
6. $12,500 car; 3 3/4% tax $12,968.75 = $12,969
7. @210 watch; 20% discount $168
8. $6 notebook; 50 off, 7% tax $3.21 = $3.20
Determine the simple interest paid to the nearest cent.
9. $12,000, 4 1/2%, 40 months $944.94 = $944.90
10. $750, 18%, 2 years $148.63 = $148.60
BrainMass Custom Help
Ask ANY Question...Receive a NEW Step-by-Step Solution Provided by one of our Academic Experts.
Step 1: Categorize Your Question
Category
Mathematics / Consumer Mathematics
Edit
Study Level
-Select Level- High SchoolCollege/UniversityOther
Essay Review?
No Yes
Step 2: Describe Your Question
Title
Description I have completed the problems but they need to verified for accuracy. Please provide step-by-step instructions for solving the problems.
Determine each number. Round to the nearest tenth if necessary.
1. What number is 25% of 280? 70
2. 38 is what percent of 50? 76%
Determine each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or a decrease.
3. 500 albums to 100 albums -80%
4. 350 yards to 420 yards 20%
Determine the total cost to the nearest cent.
5. $105 skateboard; 7 1/2% tax $112.88 = $112.90
6. $12,000 car; 3 3/4% tax $12,968.75 = $12, 969
7. $210 watch; 20% discount $168
8. $6 notebook; 50% off; 7% tax $3.21 = $3.20
Determine the simple interest paid to the nearest cent.
9. $12,000, 4 1/2% 40 months $$944.94 = $944,90
10. $750, 18%, 2 years $148.63 = $148.60
Step 3: Attach file(s) (optional)
Select File 10 MB maximum
Step 4: Time and Cost
Credit Value
$4.99 (1 Custom Credit)$9.98 (2 Custom Credits)$14.97 (3 Custom Credits)$19.96 (4 Custom Credits)$24.95 (5 Custom Credits)$29.94 (6 Custom Credits)$34.93 (7 Custom Credits)$39.92 (8 Custom Credits)$44.91 (9 Custom Credits)$49.90 (10 Custom Credits)$54.89 (11 Custom Credits)$59.88 (12 Custom Credits)$64.87 (13 Custom Credits)$69.86 (14 Custom Credits)$74.85 (15 Custom Credits)$79.84 (16 Custom Credits)$84.83 (17 Custom Credits)$89.82 (18 Custom Credits)$94.81 (19 Custom Credits)$99.80 (20 Custom Credits)$104.79 (21 Custom Credits)$109.78 (22 Custom Credits)$114.77 (23 Custom Credits)$119.76 (24 Custom Credits)$124.75 (25 Custom Credits)
How much you're willing to pay for a solution.
Deadline
Nov 5 10:31 PM
0
day
4
hours
Step 5: Who can respond?
All Experts
Select one or more Experts
Exclude Experts
Email address
Password
Upload in-progress Upload in-progress New to BrainMass?
Legal Terms and Conditions
Privacy Policy
Copyright Notification Policy
Non-Payment Policy
Contact Us
©2004-2014 BrainMass Inc.
To help me better understand how to solve the problems noted below, please provide step by step instructions on how to solve the problems. Thank you for your help.
Determine each number. Round to the nearest tenth if necessary.
1. What number is 25% of 280? 70
2. 38 is what percent of 50? 76%
Determine each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or a decrease.
3. 500 albums to 100 albums -80%
4. 350 yards to 420 yards 20%
Determine the total cost to the nearest cent.
5. $105 skateboard; 7 1/2% tax $112.88 = $112.90
6. $12,500 car, 3 3/4 % tax $12,968,75 = $12, 969
7. $210 watch, 20% discount $168
8. $6 notebook; 50% off; 7% tax $3.21 = $3.20
Determine the simple interest paid to the nearest cent.
9. $12,000, 4 1/2%, 40 months $944.94 = $944.90
10. $750, 18%, 2 years $148.63 = $148.60
https://brainmass.com/math/fractions-and-percentages/verify-math-problems-percentage-change-tax-interest-593936
Attachments
Solution Preview
Hi, I believe I can help you. In most cases you answered correctly, the answers to questions 6, 8, 9, and 10 have some issues. See below. I'd be happy to answer any additional questions and concerns.
1. What number is 25% of 280? 25% = 1/4 -> 1/4 * 280 / 4 = 70 .
2. ...
Solution Summary
This solution provide a step-by-step calculation of percentage change, tax or interest for 10 questions.
Break-even point: Differences between Operating & Financial Leverage
1. How can sales-mix changes impact a company's break-even point? And what other techniques can be used to effect BE?
2. What are the similarities and differences between operating and financial leverage? Could you provide some examples
View Full Posting Details