Anastasia is grocery shopping with her father and wonders how much shopping is left to do. "We already have 60%, percent of the
items on our list," her father says. Anastasia sees 12 items in the cart. How many grocery items are on the list?
1 answer:
The answer is: " 20 items " .
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60% of x = 12. Solve for x.
60% = 60/100 = 6/10 = 3/5 = 0.6 .
(3/5)x = 12 ;
Multiply each side of the equation by "5" :
5* (3/5)x = 12 * 5 ;
3x = 60 ;
Divide each side of the equation by "3" ;
3x/ 3 = 60 / 3 ;
to get:
x = 20.
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The answer is: " 20 items " .
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