A retailer marks up the price of a coffee mug from $6.25 to $8.77. By what percent did the price increase? (A) 28.73%
(B) 39.68%
(C)40.32%
(D)45.97%

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answer

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4y < -4

we need to isolate y. we can do this by simply dividing both sides by 4.

4y ÷ 4 > -4 ÷ 4

simplify.

y > -1

5 - y > 0

once again, we need to isolate y, so we can start off by subtracting 5 from both sides.

5 - y - 5 > 0 - 5

simplify.

-y > -5

divide both sides by -1.

** remember that when dividing any side by a negative, you must switch the sign! **

-y ÷ -1 < -5 ÷ -1

simplify.

y < 5

~hope i ! ~

you would 18 *0.25 = 4.5