Question

Ali ' s dog weighs 8 times as much as her cat.Together,the two pets weight 54 pounds.How many does Ali ' s dog weigh?

Answer 1

d=8c
d+c=54
sub 8c for d
8c+c=54
9c=54
divide both sides by 9
c=6

d=8c
d=8(6)
d=48

dog=48lb