A store is having a sale where school supplies are 30% off their original price. A backpack is on sale for $11.20. What was the
original price of the backpack
PLEASE HE;LP ME DONT UNDERSTAND
2 answers:
The original price was $16.
To find the original price, you could use a variable to represent the original price in this equation;
Let p represent the original price
.70 × p=11.20
to solve this, we'd isolate the variable (p)
p=11.20 ÷.70
p=16
The original price was $16
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11 - 6x - 12 = -13 -2x
- 6x - 1 = -13 - 2x
-4x - 1 = -13
To get the answer you must multiply $50.50 by 0.3, please see below.
.3($50.50) = $15.15