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Paul owes Paula 3535 cents and has a pocket full of 55-cent coins, 1010-cent coins, and 2525-cent coins that he can use to pay her. What is the difference between the largest and the smallest number of coins he can use to pay her?

Verified Answer :

meerkat18

Given:
0.35 Paul owed to Paula.

0.05 ; 0.10 ; 0.25 - coins in Paul's pockets.

Method 1: 0.05 7 pcs = 0.35
Method 2: 0.05 5 pcs + 0.10 1pc = 0.25 + 0.10 = 0.35
Method 3: 0.05 3 pcs + 0.10 2pcs = 0.15 + 0.20 = 0.35
Method 4: 0.05 1 pc + 0.10 3pcs = 0.05 + 0.30 = 0.35
Method 5: 0.05 2pcs + 0.25 1pc = 0.10 + 0.25 = 0.35
Method 6: 0.10 1pc + 0.25 * 1pc = 0.10 + 0.25 = 0.35

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