D=dog's weight
c=cat's weight
d=7c
d+c=72
sub 7c for d
7c+c=72
8c=72
divide both sides by 8
c=9
d=7c
d=7(9)
d=63
dog=63lb
Answer:
Oh my goodness. I feel ya lol
Step-by-step explanation:
Answer: 34,788967
Step-by-step explanation:
5 100ml cups and 1 500 ml cup
and 2 500 ml cups