Divide 583.2 by 48.6 to get your answer, 12 hours.
2q+18=-5q-3
2q+5q=-3-18
7q=-21
q=-3
So first we divide 140 by 7 because our ratio is a total of 7 dollars to get 20
So we multiply both sides of the ratio by 20 to get a ratio of 40:100
We can check our answer and it is right because 100+40=140
Answer:
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Step-by-step explanation:
Divide sales tax amount over the item's cost
23.1 / 330 = 0.07
Therefore the sales tax is 7%
