Karina pays $1.92 for pencil erasers. the erasers cost $0.08 each. how many erasers does she buy?
1 answer:
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Answer:
8.04
Step-by-step explanation:
Solution 1
x= r- 4.5= 25.2/2 - 4.5= 8.1
Solution 2
x= √(25.2/2)² - 9.7²= √64.67= 8.04
refer to attachment
