Question

PLEASE EXPLAIN i dont want the answer just show me how to do this stuff!
Percy’s body mass index (BMI) score is 30. As a long term goal he wants to be in the healthy zone and decrease his BMI by 20%. What will Percy’s new score be when he reaches his goal?

Answer 1

Well, good for Percy! He wants to slim down to a BMI of 24

Answer 2

(20% of 30 is 6)

Answer 3

Oops! Sorry..
you want to know how.. I can help you with that too

Answer 4

you might want to see this: http://www.helpingwithmath.com/by_subject/percentages/per_calculating.htm

Answer 5

It's a lot of grunt work.. but this is how I did it..

Answer 6

In this case, you could divide 30 by 5, as 1/5 of something is 20%; does that make sense?

Answer 7

???? what would the answer be??

Answer 8

The new BMI score is the one AFTER decreasing 20% -> 80%
=> 80% * 30 = ....?

Answer 9

would it be 24

Answer 10

Yup!