Let x = the number of cats. Solve for x.
x + 6x = 21
there are 6 times as many dogs as cats. if the total of number dogs and cats is 21, how many dogs are there?
4 answers
x=3
3 cats 18 dogs
x+6x = 21
7x = 21
= 21
____ = 3
7
7x = 21
= 21
____ = 3
7