Strawberries are $3.99 per pound. If a customer bought $30 worth, how many pounds did he buy? $
1 answer:
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Answer:
n + y
Step-by-step explanation:
a² - b² = (a +b)(a - b)
÷
{ (n + y) in the denominator and numerator will be cancelled ;
(n - y) in the denominator and numerator will be cancelled
= n + y