Question

jasmine spends her working hours 8 hours, fling, typing and receiving calls. If she approximately performs these functions in the ratio 3:4:5 how many hours does she spend for each function respectively?

Answer 1

$$3+4+5=12(parts)$$

filing:

$$\dfrac{8\ h}{12}\cdot 3=2\ h$$

typing

$$\dfrac{8\ h}{12}\cdot 4=2\dfrac{2}{3}\ h=2\ h\ 40\ min$$

receiving calls

$$\dfrac{8\ h}{12}\cdot 5=3\dfrac{1}{3}\ h=3\ h\ 20\ min$$