QUESTION IMAGE
Question
out of a population of 1,000 students, 80 were asked by a random sampling what color they would prefer for their first car. their responses are shown in the table below.
| car color |
| favorite color | number of students |
| blue | 5 |
| red | 18 |
| gray | 27 |
| silver | 14 |
| white | 16 |
using proportional reasoning, how many students out of the 1,000 would you expect to prefer a silver car?
14
86
175
212
Step1: Set up proportion
Let $x$ be the number of students out of 1000 who prefer a silver car. The proportion is $\frac{14}{80}=\frac{x}{1000}$.
Step2: Cross - multiply
$80x = 14\times1000$.
Step3: Solve for $x$
$x=\frac{14\times1000}{80}=\frac{14000}{80}=175$.
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175