Use Four Numbers From Each Set Of Numerals To For A Proportion 1.) 1,2,5,12,10
2.) 2,10,25,30,5
3.) 10,4,6,3,8
4.) 7,15,8,16,14
5.) 36,11,12,44,33
6.) 12,30,24,15,18​

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm.it decreased by the same amount each year. what was the change in grandpa ernie's height each year