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erma4kov [3.2K]
3 years ago
5

At that rate, about how many gallons of milk will they need to purchase in a year’s time?

Mathematics
1 answer:
marshall27 [118]3 years ago
8 0

Answer: 260 gallons

Step-by-step explanation:

We can use a proportion to solve this problem. We know that a family used 15 gallons of milk every 3 weeks. Since the problem asks for how much they will need for a year, we can gather that a year is 52 weeks. We can come up with the following proportion.

\frac{15}{3} =\frac{x}{52}          [cross multiply]

3x=780       [divide both sides by 3]

x=260

Therefore, they will need to purchare 260 gallons.

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