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Grade:
7
, Subject:
Math
, Topic:
Algebra Mixed Reviews
Question 1:
Josh ate twice as many strawberries as Sarah did. If Josh ate 16 strawberries, how many strawberries did Sarah eat? Which equation will give you the correct answer?
n + 2 = 16
16 ÷ 4 = n
2n = 16
n = 16 × 2
Question 2:
Simplify: 3b + 7 + b − 2 − 11b.
7b − 5
8b + 5
10b − 9
5 − 7b
Question 3:
Simplify: 2y + (2y)
^{2}
− 5y + 9y
^{2}
13y
^{2}
− 3y
9y
^{2}
− y
13y
^{2}
− 4y
9y
^{2}
− 4y
Question 4:
Evaluate
+ 3a for a = −3.
6
−10
−3
−1
Question 5:
Ricky went shopping with $266 in his wallet. He bought one chair, one keyboard and one book. The cost of the chair was four times as much as the cost of the book and the cost of the keyboard was twice as much as the cost of the book. How much did each item cost?
Book = $28, Chair = $162, keyboard = $66
Book = $48, Chair = $142, keyboard = $86
Book = $38, Chair = $152, keyboard = $76
Book = $38, Chair = $162, keyboard = $76
Question 6:
Janice works at a salon and earns $12 per hour plus tips. On Saturday, she worked for 8 hours and earned a total of $168. Which equation can be used to find t, the amount that Janice earned in tips on Saturday?
t − 12 = 96
t = 168 + 96
96 + t = 168
t =
− 12
Question 7:
Find the value of
h
in the following equation.
3(7 + h) = 36 − 2h
4
5
7
3
Question 8:
Simplify:
b(3 + 2b)
3 + 2b
^{2}
3b + 2b
^{2}
3 + 2b + b
3b
^{2}
+ 2b
^{2}
Question 9:
Find the value of t.
+ 3 = 12
36
12
2.25
9
Question 10:
Solve:
(y + 7) = 9
y = 6
y = 16
y = 4
y = 11
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