Question

Jenny has finished 15 of the 20 lessons in her piano book liam has finished the same percent of lessons from his piano book hi book contains 40 lessons how many lessons has liam fineshed

Answer 1

Liam has finished 30 of his lessons

Explanation:

Jenny has completed 15 out of 20 lessons, which means that she has completed 75% of her lessons. If Liam has completed the same percentage of lessons, then he has completed 30 of his lessons. 40(.75) = 30.

Answer 2

30
liam has finished 30 lessons
15/20 is equal to 3/4
so 3/4 of 40 is 30.
hope i helped. have a good day