Please help Find f(-3). f(x) = 4x + 7 A) -5 B) 5 C) 6 D) 10
1 answer:
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Answer:
0.5 represent the original 100% but we want to obtain a 75% aditional so we can find for the value x if interest and we got:
So we need to sell the fries ar 0.875$ if we want to obtain a 75% of margin
Step-by-step explanation:
For this case we know that the french fries cost $0.50 and we want to have a margin of 75% on the fries. So we can use the following proportional rule:
0.5 represent the original 100% but we want to obtain a 75% aditional so we can find for the value x if interest and we got:
So we need to sell the fries ar 0.875$ if we want to obtain a 75% of margin