Sparkle Cleaners uses 2
3
of a jug of window cleaner in 3 weeks. How much window cleaner do they use in 1 week?

2/3 jug = 3 weeks

3*(2/3 jug) = 3*(3 weeks) ... multiply both sides by 3

2 jugs = 9 weeks

2/9 jugs = 9/9 weeks ... divide both sides by 9

2/9 jug = 1 week

4

step-by-step explanation:

6 (donuts) divided by 3 is 2.

so 2/3 means 2 times 2, which is 4/6.

you get two and your friend gets four.

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94