mazolethrin2291
20.09.2020 •
Mathematics
When you got your car fixed, the cost for parts was $75. The cost for labor was $45 per hour. If the total cost was $255 . Find the number of hours
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Ответ:
3.3
Step-by-step explanation:
Hour : H
subtract the 75 from both sidesso the variable would be on one side and the knowns would be on the other side
45H + 75 = 225
-75 -75
Divide by 45 from both sides
45H = 150
÷45 ÷45
3.33
Ответ:
5,674
+ 4,256
9,930
Step-by-step explanation:
s now what