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5 votes
45 is 15% of what number

User Kelsier
by
8.1k points

2 Answers

4 votes
15% of a number is 45
15% × x = 45
x = 45 ÷ 15%
x = 45 ÷ 15/100
x = 45 × 100/15
x = 4500/15
x = 300

Check:
15% × 300
= 15/100 × 300
= 15 × 3
= 45

45 is 15% of 300.
User Vkharb
by
8.1k points
2 votes
45 = 15% of number
45 = 15% × n
15% =
(15)/(100) = 0.15

45 = 0.15n


(45)/(0.15) =
(0.15n)/(0.15)
0.15 and 0.15 cancels out

300 = n

15% of 300 is 45

45 is 155 of 300
User Hemraj
by
8.2k points

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