What is the highest unit price per kazoo if 25 kazoo cost $10 50 kazoo cost $18.50 and 80 kazoos cost $27.20

For this, you have to calculate Unit rates of all of them.

Unit rate of sample 1, = 10/25 = $0.4

U.R. of sample 2, = 18.50/50 = $0.37

U.R. of sample 3, 27.20/80 = $0.34

So, first one is costlier!!!

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

step-by-step explanation:

(3rd option) - c