HELP PLEASE!!!!!!!!!!!
Cassie has a coupon for 30% off the cost of dinner at a local restaurant. With the coupon, she saves $6 on her dinner. What was the original cost of her dinner? Explain how you know.

Answer :

Answer:

$20.

Step-by-step explanation:

$6 is 30 % of the original cost.  

30% = 0.30 as a decimal fraction.

If the original cost is x dollars then we have the equation:

0.30x =  6

x = 6 / 0.30

= $20.

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