Solution - Percentage

- 39.5

-39.5

See steps

Step-by-step explanation

1. Convert percentages into fractions or decimals

For fraction: divide -7.9 by 100 and remove the % sign.
$- 7.9 % = \frac{- 7.9}{100}$

For decimal: move the decimal point 2 places to the left and remove the % sign.
$- 7.9 % = - 0.079$

2. Multiply the decimal or fraction by the quantity that equals 100%

$100 % = 500$
$- \frac{7.9}{100} \cdot 500 = - 0.079 \cdot 500 = - 39.5$

-7.9% of 500 is -39.5

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Why learn this

"Only today- 55% off on all shoes!"
"The interest has gone up by 0.7%."
"20% tip is included in the bill."

Percentages are really useful ways to understand how numbers are related. They show up constantly in everyday life - from shopping to using the internet, important statistics and beyond - so understanding them is 100% worth the time commitment.

Terms and topics

Percentages