Question

last year billy weighed 75 kg this year he weighed 90 kg with what percentage did his weight increase​

Answer 1

Answer:

33 1/3 %

Step-by-step explanation:

see in the attachment .

Answer 2

Given - New weight and original weight

Find - Percentage increase

Solution - The percentage by which the weight increased can be calculated by the formula - change in weight / original weight *100

Change in weight = new weight - original weight

Change in weight = 90 - 75

Change in weight = 15 kg

Percentage increase = $\frac{15}{75} \times 100$

Performing division and multiplication

Percentage increase = 20%

Hence, the weight increased by 20%.