SOLUTION: during the first week of going-out-of-business sale, a store reduces all prices by 20%. The second week of the sale, it reduces all items by an additional $9. If a calculator was b
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Question 987075: during the first week of going-out-of-business sale, a store reduces all prices by 20%. The second week of the sale, it reduces all items by an additional $9. If a calculator was bought for $7.00 during the second week of the sale, find the original price of the calculator. Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! .
x=original price
.
The price during first week is 20% off = 80% of original.
.
The second week additional $9 off. Price second week:
0.80x-$9=$7
0.80x=$16
x=$16/0.80
x=$20
ANSWER: Original price was $20.
