Question

lee surveyed students at school about whether they buy lunch or bring lunch from home. the data she gathered is shown in the two - way table below.

source of student lunches

	bring lunch to school	buy lunch in the cafeteria
girls	20	30

according to the data in the table, what percentage of boys bring lunch to school?

○ 15%
○ 37.5%
○ 40%
○ 66.7%

Explanation:

Step1: Calculate total number of boys

$12 + 18 = 30$

Step2: Find percentage of boys who bring lunch

$\frac{12}{30} \times 100\% = 40\%$

Answer:

40% (Option C)