Question

Jasmine and Jenna are selling cheesecakes for a school fundraiser. Customers can buy pecan cheesecakes and apple cheesecakes. Jasmine sold 2 pecan cheesecakes and 8 apple cheesecakes for a total of $146. Jenna sold 4 pecan cheesecakes and 7 apple cheesecakes for a total of $139. find the cost of one pecan cheesecake and the cost of one apple cheesecake
2p+8a = 146
4p+7a = 139
solve for p and a, then find p+a

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