Question 1037308
Let c=coffee, d=doughnuts:
1c+3d=4.20
2c+2d=4.80; So:
2c+6d=8.40
2c+2d=4.80
4d=3.60
d=.90
c=1.50
Coffee is $1.50 a cup, and doughnuts are $.90 each!!!!!!!!!