Question

Ricardo's dog weighs 6 times as much as his cat.The total weight of his two pets is 98 pounds. How much does Ricardo's dog weigh ?

Answer 1

98 pounds : 7 = 14 pounds
14 pounds x 6 = 84 pounds
Ricardo's dog weighs 84 pounds

Answer 2

Ricardo's cat weighs x pounds.
His dog weighs 6 times as much as his cat, so his dog weighs 6x pounds.
The total weight of the pets is 98 pounds.

$x+6x=98 \\ 7x=98 \\ x=\frac{98}{7} \\ x=14 \\ \\ 6x=6 \times 14=84$

Ricardo's dog weighs 84 pounds.