SOLUTION: Paul needs 34 cents. He has only pennies and dimes. How many ways can he make 34 cents using both kinds of coins? Explain process.
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Question 708509: Paul needs 34 cents. He has only pennies and dimes. How many ways can he make 34 cents using both kinds of coins? Explain process.
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Regardless of knowledge of any counting principles, you should just use your logical common cents. Only pennies and dimes.
Can 34 cents be made using only pennies? Yes. Need 34 pennies.
Can 34 cents be made using only dimes? No. 3 dimes is not enough and 4 dimes is too much, cents.
Start then with the dimes.
Use 0 dimes. How many pennies are needed?
Use 1 dime. How many pennies are needed?
Use 2 dimes. So how many pennies?
Use 3 dimes; how many pennies?
Those were 4 different ways to make 34 cents using only pennies and dimes. (or should that be said, "pennies or dimes"?)
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