Question

Brian’s family drinks a gallon of milk in 3 days. How much milk does his family drink in 5 days? The proportion for this situation is 3 days 1 gallon = 5 days x gallons . Which equation can you use to solve the problem? 5x = 3 15x = 1 5x = 1 3x = 5

Answer 1

The proportion given in the problem statement ...

... 3 days/(1 gallon) = 5 days/(x gallons)

can be multiplied by (x gallons/day) to get ...

... 3x = 5

Answer 2

Answer:

$3x=5$

Step-by-step explanation:

Given : Brian’s family drinks a gallon of milk in 3 days

To Find : How much milk does his family drink in 5 days?

Solution :

We are given that The proportion for this situation is 3 days 1 gallon = 5 days x gallons i.e. $\frac{3}{1}=\frac{5}{x}$

Solving further

$3x=5$

So, Option D is true

Hence equation can you use to solve the problem is $3x=5$