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3 years ago

15

At an electronic store, an air conditioner marked at 280$ was on sale at $259 what was the percentage of discount for the air co

nditioner?

1 answer:

Whitepunk [10]3 years ago

6 0

Answer:

7.5%

Step-by-step explanation:

280 - 259 = 21

21 / 280 = 0.075 = 7.5%

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Answer:

Step-by-step explanation:

Ratio = 4/7 : 1/8

$=\frac{\frac{4}{7}}{\frac{1}{8}}\\\\=\frac{4}{7}*\frac{8}{1}\\\\=\frac{32}{7}$

= 32 : 7

$\frac{\frac{1}{8}}{\frac{4}{7}}=\frac{1}{8}*\frac{7}{4}\\\\=\frac{7}{32}$

= 7 : 32

Ratio 4/7 over 1/8 is the multiplicative inverse of the ratio 1/8 over 4/7

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