Problema Solution
Amy's penny bank is 2/3 full. After she removes 160 pennies, it is 4/9 full. How many pennies can Amy's bank hold?
Answer provided by our tutors
let
x = the number of pennies that Amy's bank can hold
(2/3)x - 160 = (4/9)x
by solving we find
x = 720 pennies
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