1. Kara and Janie went to the art supply store. Kara bought 6 paint colors and 5 paint brushes for
$20.25. Janie bought 11 paint colors and 4 paint brushes for a total of 31.50. Which system of
equations can be used to determine the cost of each paint color, p, and the cost of each paint
brushes, b?
A. 11b + 4p = 31.50
6b+ 5p: = 20.25
C. 11p + 4b = 31.50
6p+ 5b 20.25
B. 11p+ 4b = 20.25
6p+ 5b= 31.50
D. 11b + 4p: 31.50
6b+ 5p 20.25