Minerva buys used bicycles, repairs them, and sells them for a profit. she bought a bicycle for $10, repaired it, and sold it for $50. what was the percent increase in the price of the bicycle.

a. 400%
b. 80%
c. 40%
d. 4%

step-by-step explanation:

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step-by-step explanation:

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fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

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