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lilinicholeb
23.01.2021 •
Mathematics
Problem #4 My teacher said that for every student who earned an A on the last
quiz, three students earned a B. If four students earned an A, how many earned a
B? Why? Explain.
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Ответ:
12
Step-by-step explanation:
We can write the following ratio
1:3 (for every student who gets an A 3 gets a b)
We then can write a new ratio
4:x
We can solve this ratio by multiplying the original ratio by 4
4:12
This means that 12 people earned an B
Ответ: