For every 2 cars Michael washes, Jackie washes 3 cars. How many
cars does Jackie wash if Michael
washes 10 cars?
Michael
2
JO
I
Jackie
3
CAR
cars. WASH
Ama
Jackie washed

15 cars

Step-by-step explanation:

10 ÷ 2 = 5

5 × 3 = 15

Jackie washed 15 cars

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6