# Solving Equations, Word Problems and Base of Trapezoid

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1.12x-6=11x
2. 5x+8+3x--x+5=6x-3

3. -3x=27
4.

5. Business and finance-Jose has savings accounts for each of his five children. They contain \$215, \$156, \$318, \$75, and \$25. Find the median and the mean amount of money per account.
6. 9x+7=5x-3
7.

8. -4(2x-3)=-8x+5
9. 2x+3y=6(for x)
10.

11.

12. Crafts-Rose's garden is in the shape of trapezoid. If the height of the trapezoid is 16m, one base is 20 m, and the area is 22m , find the length of the other base. (see 24)

13. Number problem-The sum of two consecutive integers is 145. Find the two integers.
14. Crafts-Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10in. longer than the other. What should the length of piece be?
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Solving Equations, Word Problems and Base of Trapezoid are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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Changping Wang, MA

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BSc , Wuhan Univ. China
MA, Shandong Univ.

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Extracted Content from Question Files:

• sample.092706.doc

# Section Page Problem Your Solution Final
1 2.1 174 12x-6=11x
46
2 2.1 174 60 5x+8+3x--x+5=6x-3

3 2.2 185 8 -3x=27
4 2.2 185 30 3
x = 15
7
5 2.2 186 50 Business and finance-Jose has savings
accounts for each of his five children. They
contain \$215, \$156, \$318, \$75, and \$25. Find
the median and the mean amount of money
per account.
6 2.3 195 30 9x+7=5x-3
7 2.3 196 54 6x − 1 2x
=3

5 3
8 2.3 196 56 -4(2x-3)=-8x+5
9 2.4 207 14 2x+3y=6(for x)
10 2.4 208 20 C−s
( for s)
D=
n
11 2.4 208 24 1
A = h( B + b) (for b)
2
12 2.4 209 30 Crafts-Rose’s garden is in the shape of
trapezoid. If the height of the trapezoid is
16m, one base is 20 m, and the area is 22m 2 ,
find the length of the other base. (see 24)

13 2.4 210 56 Number problem-The sum of two
consecutive integers is 145. Find the two
integers.
14 2.4 212 72 Crafts-Yuri has a board that is 98 in. long.
He wishes to cut the board into two pieces so
that one piece will be 10in. longer than the
other. What should the length of piece be?
15 2.4 213 82

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