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If Pam has 40 dollars in her account, how much money does her brother have in his account? Use a tape diagram to support your answer.

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apologiabiology
Pam and her brother both open savings accounts. each begin with a balance of $0. For every $2 is that Pam saves in her account her brother saves $5 in his account

P:bro=2:5
when P=40 what is bro?

2/5=40/b
times 5b both sides
2b=200
divide 2
b=100
bro has $100
not sure what tape diagram is

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