Mathematics, 09.07.2019 08:30 krislinsanchez5221

Jonah has collected 91 coins worth $7.20 in his piggy bank. his collection includes only dimes and nickels. how many dimes are there in jonah's piggy bank?

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Jonah has collected 91 coins worth $7.20 in his piggy bank. his collection includes only dimes and n...