Question

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level i ★ p.14 checkpoint: unit rates, ratios, and percents cnf

1. in an election for student council president, the winner received 54% of the votes. based on this result, how could the students have voted? select all that apply.

a total of 350 students voted, and 189 of them voted for the winner.
a total of 480 students voted, and 246 of them voted for the winner.
a total of 400 students voted, and 216 of them voted for the winner.
a total of 450 students voted, and 243 of them voted for the winner.
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work it out
not feeling ready yet? these can help:
calculate unit rates with fractions
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Explanation:

Step1: Calculate 54% of total votes

For each option, compute $\text{Winner Votes} = 0.54 \times \text{Total Votes}$

Step2: Match with given winner votes

Option A:

$0.54 \times 350 = 189$ ✔️

Option B:

$0.54 \times 480 = 259.2$ ≠ 246 ❌

Option C:

$0.54 \times 400 = 216$ ✔️

Option D:

$0.54 \times 450 = 243$ ✔️

Answer:

A. A total of 350 students voted, and 189 of them voted for the winner.
C. A total of 400 students voted, and 216 of them voted for the winner.
D. A total of 450 students voted, and 243 of them voted for the winner.