Math, asked by laraiblabii, 2 months ago

A teacher always arranged the content of each of her lessons as teaching and practising skills in the ratio 3:4
1)if the teaching lasted 15 minutes. How long did the practising last?
2) if she decided to teach for 30 min. How long would the lesson last?

Answers

Answered by Answerer2908
0

Step-by-step explanation:

1). 20 min

as 3:4 = 15:20

2)70 min

as 3:4 = 30:40

30+40 = teaching + practising = total class time

70 minutes

Similar questions