Can someone help? Kelly went to a hockey game with her family. They bought 4 bags of cotton candy and 2 souvenir cups and spent $36. Marissa's family went to the same game, bought 7 bags of cotton candy and 3 souvenir cups, and spent $59. How much did one souvenir cup cost at the game?
a. $6
b.$8
c.$5
d.$7

Question

Can someone help? Kelly went to a hockey game with her family. They bought 4 bags of cotton candy and 2 souvenir cups and spent $36. Marissa's family went to the same game, bought 7 bags of cotton candy and 3 souvenir cups, and spent $59. How much did one souvenir cup cost at the game? 
  a. $6 
 b.$8 
 c.$5 
 d.$7

anonymous · Answer

3( 4c + 2s = 36 ) 
2 ( 7c + 3s = 59 ) 
12 c + 6 s = 102 
14 c + 6 s = 118 
-2c = - 16 
c = 8