risaelectra risaelectra

13-12-2018
Mathematics

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Susan's penny bank is 1/10 full. After she adds 240 pennies, it is 2/5 full. How many pennies can Susan's bank hold?

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wolf1728 wolf1728

13-12-2018

Answer:

240 pennies occupy (2/5 minus 1/10) the penny bank volume.

2/5 - 1/10 = 3/10 = .3

240 pennies .3 * the volume

Volume = 240 / .3 = 800 pennies

Step-by-step explanation:

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