a painting company charges 500$ for supplies and plus 50$ for each hour of labor. So how much would a painting company charge to
paint a house that needs 20 hours of labor? A house that needs 50 hours?
1 answer:
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Answer:
Step-by-step explanation:
For this exercise it is important to remember the multiplication of signs:
In this case, given the following expression:
You can idenfity that both factors are negative. Then, the product (The result of the multiplication) will be positive.
Then, in order to get the product, you need to multiply the numerator of the fraction by -8. So, you get:
You can notice that the numerator and the denominator of the fraction obtained cannot be divided by the same number; therefore, the fraction cannot be simplified.