If 12 cars are needed o get 36 students to the end of the road with their packs, how many cars will be able to carry 9 students to the end is the road?

3 cars

Step-by-step explanation:

If 12 cars are needed to carry 36 students,

12cars = 36

the number of cars to carry 9 students will be:

xcars = 9

cross the two equations

36x = 12 X 9

36x = 108

x = 108/36

x= 3

Therefore, 3 cars are needed to carry 9 students

OR

12 cars will carry 36 students

so 1 car will carry, (36/12)students

therefore, 1 car will carry 3 students

So, for 9 students,

9students = 9/3 = 3

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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