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OpenStudy (anonymous):
Maria's penny bank is 1/5 full. After she adds 360 pennies, it is 7/10 full. How many pennies can Maria's bank hold?
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OpenStudy (anonymous):
write the equation in variables using given information.
OpenStudy (anonymous):
what is \[\frac{7}{10}-\frac{1}{5}\]?
OpenStudy (anonymous):
@satellite73 1/2
OpenStudy (anonymous):
yes. 1/2
OpenStudy (anonymous):
half of 360 is 180
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OpenStudy (anonymous):
360 pennies is 1/2 of bank. So 360*2=720 pennies can be hold in bank
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