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a random sample of students was surveyed and asked to list their grade level and whether or n
they have a pet. results are shown in the table below.
what percent of the total students have a pet? round your answer to the nearest whole
number percent.

Explanation:

Step1: Calculate the percentage formula

The formula for percentage is $\frac{\text{Number of students with pets}}{\text{Total number of students}}\times100\%$.

Step2: Substitute the values

Here, the number of students with pets is $79$ and the total number of students is $138$. So we calculate $\frac{79}{138}\times100\%$.
$$\frac{79}{138}\times100\%=\frac{7900}{138}\%$$

Step3: Divide and round

$7900\div138\approx57.246\%$. Rounding to the nearest whole number.

Answer:

$57\%$