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PSYCHO15rus [73]
3 years ago
7

87 is 15% of what number​

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0

Answer:

580

Step-by-step explanation:

Let's translate this word for word.

87 is 15% of what number

87 = 15% times x

87=.15 times x

87=.15 \cdot x

Divide both sides by .15

\frac{87}{.15}=\frac{.15x}{.15}

Cancel out the common factor of .15 on the right; that is .15/.15=1.

580=x

580 is the number

sasho [114]3 years ago
6 0

Answer:

580

Step-by-step explanation:

Alright. Translate that into math, and you get:

87=15/100x

multiply both sides by x

8700/15=x

x=8700/15

x=580

Check:

580*15/100

58*15/10

870/10

87

BINGO!

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