sohosupreme sohosupreme
  • 09-04-2017
  • Mathematics
contestada


Tammy's penny bank is
3/10
full. After she adds
400
pennies, it is
4/5
full. How many pennies can Tammy's bank hold?

Respuesta :

Аноним Аноним
  • 09-04-2017
4/5=8/10
400÷8=50
50×10=500-pennies Tammy's bank can hold.

Answer Link
IGotChillsTheyreX
IGotChillsTheyreX IGotChillsTheyreX
  • 09-04-2017
The piggy bank goes from 30% full to 80% full after adding 400 pennies. This means that 400 pennies equal 50% of the piggy bank (80-30).

Because 400 is half, 800 pennies is the whole amount the piggy bank can hold
(400x2=800).

Hope this helps!
Answer Link

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good job