# Pre Algebra Review Sem 2: Question Preview (ID: 19861)

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Write 0.81 as a percent.
a) 8.1%
b) 81%
c) .81%
d) 810%

Find the unit rate..... 50 rooms on 5 floors. How many rooms on 1 floor
a) 5
b) 50
c) 45
d) 10

Are these ratios equivalent? 13:26 and 1:2
a) Yes
b) No
c)
d)

Write 25% as a fraction in lowest terms.
a) 25/100
b) .25
c) 1/25
d) 1/4

What is 90% of 20
a) 16
b) 14
c) 18
d) 17

27. What are the missing numbers in this sequence? 50,53,56,59,___, 65,___
a) 62,67
b) 62,68
c) 62,69
d) 63,68

Evaluate the expression for r=-2, 12+7r
a) -2
b) 17
c) 5
d) -5

Simplify the expression: 6t+9t-7t
a) -4t
b) 8t
c) 22t
d) 7t

Simplify the expression:7(3 + 3k) – 9k
a) 12k+21
b) -6k-21
c) -12k+21
d) -12k-21

solve 3c=9
a) 12
b) 27
c) -3
d) 3

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