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spin [16.1K]
3 years ago
11

At last year's company picnic, 25 pounds of ground beef were needed to make 100 hamburgers. How many pounds of ground beef will

be needed this year if 120 hamburgers are to be made?
30 lb

45 lb

50 lb

55 lb
Mathematics
2 answers:
butalik [34]3 years ago
5 0

Answer:

Option A is correct

30 pounds of ground beef will be needed this year if 120 hamburgers are to be made

Step-by-step explanation:

Proportion states that two ratios or fractions are equal.

As per the statement:

At last year's company picnic, 25 pounds of ground beef were needed to make 100 hamburgers.

Let x pounds of ground beef will be needed this year if 120 hamburgers are to be made

then by definition of proportion we have;

\frac{25}{100} =\frac{x}{120}

By cross multiply we have;

25 \cdot 120 = 100x

Simplify:

3000 = 100x

Divide both sides by 100 we have;

30 =x

or

x= 30 pounds

Therefore, 30 pounds of ground beef will be needed this year if 120 hamburgers are to be made

blsea [12.9K]3 years ago
4 0
Solution would be <span>30. By dividing 100 by 25 you realize that for every pound of ground beef you get 1 hamburger, in other words, 1/4 the number of burgers is the amount of ground beef. So what's 1/4 of 120 the answer should be 30. 

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
</span>
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