Problem I:

Mary likes to count birds. Today she counted 21 blue birds, 14 red birds and 15 yellow birds. How many birds did Mary count in total?

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Problem II:

Maggie had $14.25. Maggie bought one hamberger for $3.75, one drink for $2, and one fruit bowl for $2. How much did Maggie have left?

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Problem III:

Ronald had 82 gummi bears. Ronald gave his brother 20 and his sister 26 gummi bears. How many gummi bears did Ronald have left?

Answer :