Question

Tobi can play with his electronics for no more than 2 hours a day. When he wakes up, He plays for 20 minutes. When he comes home from school, he plays for 45 minutes. At most, How many minutes can he play after dinner? Write an inequality and solve.

Answer 1

He plays 2 hours
20 minutes = when he wakes up
120 - 20 = 100

45 minutes when he comes home
100-45 = 55

Tobi can play 55 minutes after dinner

Answer 2

2 hours is equivalent to 120 minutes so if you do
45+20 = 65 So then you have to subtract 65, the minutes he already spent playing by his total so you do
120-65=55
So he has 55 minutes to play after dinner