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I NEED HELP WITH MATH

Question: (In the pic)

I NEED HELP WITH MATH Question: (In the pic)-example-1
User Lateralus
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1 Answer

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Inequality, because want to know when we'll make a profit.

d (- 680+ 960) \geqslant 52000 \\ 280d \geqslant 52000
Profit: Let's See When 280d equals 52000


d \geqslant (52000)/(280) \\ d \geqslant 185.71
So, after 190 days Julianne will make a profit

280(190) \geqslant 52000 \\ 53200
User Laureano
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