A pair of shoes cost $50. You have a coupon for 20% off. What is the total cost of
1 answer:
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Solve:
We need to isolate k, so multiply both sides by the denominator, which is 64. When we do that, the fraction will cancel and we get:
If you want to check, plug in your answer to the original equation and see if it is true:
This statement is true, so .
First derisive the equation for C
- F=101F