Answer:
Step-by-step explanation:
Charlotte's revenue earned : R = 12.50h.....where R = revenue earned and h represents hrs worked
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break even point :
12.50h = 45 + 2.50h
12.50h - 2.50h = 45
10h = 45
h = 45/10
h = 4.5 <== she would have to work 4.5 hrs to break even
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revenue - expenses = profit / loss
for 5 hrs...h = 5 for 3.5 hrs
12.50(5) - (45 + 2.5(5)) = 12.50(3.5) - (45 + 2.5(3.5)) =
62.5 - (45 + 12.5) = 43.75 - (45 + 8.75) =
62.5 - 57.5 = $ 5 profit 43.75 - 53.75 = -10....$ 10 loss
for 4 hrs for 7 hrs
12.50(4) - (45 + 2.50(4)) = 12.50(7) - (45 + 2.50(7)) =
50 - (45 + 10) = 87.5 - (45 + 17.5) =
50 - 55 = - 5.....$ 5 loss 87.5 - 62.5 = $ 25 profit
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12.50h - (45 + 2.50h) = 50
12.50h - 45 - 2.50h = 50
10h - 45 = 50
10h = 50 + 45
10h = 95
h = 95/10
h = 9.5 <=== she would have to work 9.5 hrs to make a $ 50 profit
Answer: It is Yes
Step-by-step explanation:
Answer:
70
Step-by-step explanation:
The simplest way to find the number is work backwards. If you know the final answer is 10, start with 10 and make the number x. Then set up the original equation.
0.5x-25=10
Then start working backwards(isolate).
0.5x-25=10
+25 +25
in other words, 10+25=0.5x. (the 25 cancels out because -25+25=0)
10+25=35, so 35=0.5x.
Now, instead of dividing by 2, multiply by 2(opposite again).
35=0.5x
/0.5(aka *2) /0.5(cancels out)
now you are left with 70=x, so the number is 70.