Question

10 a middle school conducted a survey of students to determine if they spent more of their time playing games or watching videos on their tablets. the results are shown in the table below.

	playing games	watching videos	total
girls	54	142	196
total	192	188	380

of the students who spent more time playing games on their tablets, approximately what percent were boys?
(1) 41
(2) 56
(3) 72
(4) 75

Explanation:

Step1: Identify relevant numbers

Number of boys playing games = 138, total number playing games = 192.

Step2: Calculate percentage

Percent of boys among game - playing students = $\frac{138}{192}\times100\%$.
$\frac{138}{192}\times100\%=\frac{13800}{192}\approx72\%$

Answer:

(3) 72