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03-11-2018
Mathematics

contestada

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

Respuesta :

sensationalsarath sensationalsarath

03-11-2018

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

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