Question

Find each percent of change.Describe the percent of change as an increase or decrease.If necessary,round to the nearest tenth.

Answer 1

12cm in to 15in

Answer 2

wouldn't it be -20 and decrease

Answer 3

No because you have centimeters and Inches.. You have to either change 12 centimeters to inches or change 15 inches to centimeters first

Answer 4

isn't the same way to solve this question as the last one?

Answer 5

Im changing the 15 inches to centimeters because its a nicer number.. So now you have \[12 cm \space \space 38.1cm\]

Answer 6

So now you do \[Percent \space Change = \frac{38.1 - 12}{12} x 100\]

Answer 7

doesn't say to change the measurement?

Answer 8

You need to or your answer wont be accurate.