Seudónimo Seudónimo
  • 04-09-2017
  • Mathematics
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Charmaine's penny bank is 2/3 full. After she removes 160 pennies, it is 4/9 full. How many pennies can Charmaine's bank hold?

Respuesta :

bdowd557
bdowd557 bdowd557
  • 04-09-2017
2/3 = 6/9

6/9 - 4/9 = 2/9

160÷2 = 80

80 = 1/9

80*9= 720 pennies
Answer Link
jbmow
jbmow jbmow
  • 04-09-2017
2/3X - 160 = 4/9X
2/3X - 4/9X = 160
6/9X -4/9X = 160
2/9X = 160
X =80x9
X = 720
Answer Link

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