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During summer vacation, Sanjay writes letters and postcards to his friends at home. A letter costs $0.41 to mail and a postcard costs $0.21 to mail. Sanjay writes to 8 friends and spends $2.08. How many letters and postcards he sends.

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.41 L + .21 (8-L)= 2.08

.41 L + 1.68 - .21 L = 2.08

.20 L = .40

L = 2
p = 8-L = 6

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