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Unformatted text preview: 23. (a) Let d = the number of dimes q = the number of quarters System of Equations: 340 25 10 = + q d 16 = + q d (b) Paul has 12 quarters and 4 dimes. 25. (a) Let x = the amount invested in the account yielding 5% interest y = the amount invested in the account yielding 6% interest System of Equations: 139 06 . 05 . = + y x 500 , 2 = + y x (b) Kathy invested $1,100 in the account yielding 5% interest, and $1,400 in the account yielding 6% interest. 27. (a) Let J = the number of emails Jen received A = the number of emails Anthony received System of Equations: 64 = + A J 5 2 = A J (b) Jen received 41 emails, and Anthony received 23 emails....
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 Spring '09
 Algebra, Equations

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