In The Diagram, P, Q, R, Are Points On The Circle With Centre 0 And Diameter 14cm. Angle PQR=35 Degree. Find, Correct To One De
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Answer:
Basic fee = $14.95
1.5 dollars per quart of oil
Step-by-step explanation:
Each customer is charged a fee x (in dollars) for the oil change, plus y dollars per quart of oil used.
The oil change for the car that requires 5 quart of oil costs $22.45.
The oil change for the car that requires 7 quarts of oil costs $25.45.
Both equation having x
so make it equal and solve for y
Add 7y on both sides
subtract 22.45 from both sides
now plug in 1.5 for y and solve for x
We first determine the cost of one pair, that is:
So, each pair of shoes cost $63.Now, we determine the value of the commission:
So, the commission for each pair of shoes is $10.71, now we multiply this by 3 times. That is:
So, the commission for the three pairs of shoes will give him $32.13.