Answer:
84 is 7 x n.
n = 84 ÷ 7
n = 12
Step-by-step explanation:
You can solve the problem by using algebraic expressions in looking for the value of n.
Let n be the no. of families in City B that have a dog.
City A is 7 times as many families with a dog than City B. You can express this as: City A = 7 x n
Since you know that City A has 84 families owning a dog. Then you can express this as: 84 is 7 x n or 84 = 7 x n.
Let's get the value of n.
84 = 7 x n
n = [tex]\frac{84}{7}[/tex] or n = 84 ÷ 7
n = 12
There are 12 families in City B that have a dog.
