Bart, Lisa and Maggie went to the "Integers Only Really Expensive Fruit Stand" to buy some fruit. Bart bought 2 pomegranates and 1 kiwi for exactly $16. Lisa bought one pomegranate and 2 kiwis for exactly $11. Maggie bought 1 pomegranate and 1 kiwi. How much did Maggie pay?

bart=2p+k=16

lisa=p+2k=11
maggie=p+k

solve those 2 up there and that will tell u maggies expenses