4.
Find x for each of the following:
a. 12% of x is 144 b. 3.5% of x is 287
c. x% of 1100 is 132
d. x% of 1250 is 25
Answers
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Step-by-step explanation:
a. 12/100 of X =144
12/100 × X = 144
X = 144×100/12
X = 12×100
X = 1200
b. 3.5/100 of X = 287
35/1000 × X = 287
X = 287 ×1000/35
X = 8200
c. X/100 of 1100 = 132
X/100 ×1100 = 132
X = 132×100/1100
X = 11 percent
d. X/100 of 1250 = 25
X/100 ×1250 =25
X = 25×100/1250
X = 2 percent
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