Joaquin saves 6 dollars for every 20 dollars he earns. how much would he save if he earns 240 dollars?

$72

Step-by-step explanation:

6(240÷20)=x

6(12)=x

72=x

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.