Last year there were 43 science projects submitted by students at a science fair. This year thre are 52 science projects. To the

Question

sineoko [7]

3 years ago

7

Last year there were 43 science projects submitted by students at a science fair. This year thre are 52 science projects. To the

nearest tenth, what is the percent of change in the number of science projects summited?

Mathematics

1 answer:

Lemur [1.5K] · Answer 1 · 2022-06-15T12:31:50+03:00

Lemur [1.5K]3 years ago

7 0

First, we work out the increase/decrease of the two amounts

There are 52-43 = 9 projects increase

Percentage increase = $\frac{number of increase}{original value}$ ×100
Percentage increase = $\frac{9}{43}$ ×100
Percentage increase = 21% (to the nearest integer)