Question

A piano teacher has 4 1/2 hours available to teach in a night. Each lesson will last 1 1/2 hours. How many lessons can the teacher schedule in a night?

Answer 1

Pic have the solution

Answer 2

Answer : $\bold{3 \: Lessons}$



EXPLANATION -

Each lesson - 1 1/2 hours

Changing mixed fraction into improper fraction

1 1/2 = 3/2.

4 1/2 = 9/2

1 lesson - 3/2 hours

9/2 hours - ? lessons

$\dfrac{9}{2} \div \dfrac{3}{2}$

$\dfrac{9}{2} \times \dfrac{2}{3} = 3$

Hence :

In 9/2 hours , Teacher can teach 3 lessons at night.