Charmaine's penny bank is 1/10 full. After she adds 400 pennies, it is 1/2 full. How many pennies can Charmaine's bank hold

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asked Jan 27, 2019 189k views

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Zoubiock · Answer 1 · 2019-02-03T03:24:40+0000

we shall take X as the total amount of cash her piggy bank can hold
therefore 1x/10+400=1x/2
400=1x/2-1x/10
we should make the denominator's the same
400=5x/10-1x/10
400=4x/10
400*10=4x
4000=4x
4000/4=X
1000=X
hope u found this useful

Charmaine's penny bank is 1/10 full. After she adds 400 pennies, it is 1/2 full. How many pennies can Charmaine's bank hold

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