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: D
Step-by-step explanation:
in the first equation you need to shade below and for the second equation you need to shade to the right and the only place where the shading matches is in section d
Answer:
3x - 2 = 2x + 7
Step-by-step explanation:
Answer:
Hello,
If 7/10 boys represent 28 boys so, 3/10 girls ? how many girls ?
cross product
7/10 > 28
3/10 > ?
3/10*28/(7/10)=12
There are 12 girls
Step-by-step explanation:
150% as a mixed number is 1.5 which = 1 1/2