# Writing and solving equations

1- suppose you have 45 muffins. how many muffins are left after you give a friend 1/5 of them?

2- a baker at rod's bakery misread the directions and used 5 3/4 cups of flour in a recipe. it was 1 3/4 times too much flour. how much flour should the baker have used?

3- solve the equation. check the solution:

x/3=1/8

4-draw models for the pair of decimals. which number is greater?

0.9 and 0.09

5-write the next three terms and write a rule to describe the number pattern:

a- 62,500, 12,500, 2,500, 500,...

b- 0.57, 0.66, 0.75, 0.84,...

6-write an algebraic expression for the word phrase: the sum of 17 and twice a number n

7-a CD collection advertised on television is available for a shipping charge of $8.77, plus $17 per individual CD. write an expression for how much it costs to order n CDs.

8-Centerville has two train tracks. on one track a train comes through town every 2 hours. on the other track a train comes through town every 3 hours. if both come through town at midnight, how many times will both go through town at the same time, in one day?

9- a gallon of paint costs $14.98. a homeowner buys 6 gallons of paint. show how to use the distributive property to calculate the total cost of the paint. there is no tax.

10-a student says the solution of 375=x - 28 is 347. explain the student's error and find the correct answer.

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#### Solution Summary

This is a series of GED practice questions involving word problems and writing and solving equations.