Question

What is the rate of change from 11-12 12-13 13-15 First answer gets brainest

Answer 1

To count for the change you can subtract the numbers

the change from 11 to 12:  61.5 - 59.5 is 2
the change from 12 to 13: 65 - 61.5 is 3.5
the change from 13 to 15 69 - 65 is 4

Hope this helps :)