Your school is planning a field trip to the zoo. There are two different bus companies that the school can use. Bus company A has a $40 rental fee plus $6 for each student. Bus company B has a $120 rental fee plus $2 for each student. How many students will need to go in order for the bus to cost the same from both companies?

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20 students for $160

Step-by-step explanation:

bus a: y = 6x + 40

bus b: = 2x + 140

x = # of students | y = cost

FOR X: *set equations = to each other*

6x + 40 = 2x + 140 *subtract 2x from both sides*

4x + 40 = 120 *subtract 40 from both sides*

4x = 80 *divide by 4 on both sides*

x = 20

FOR Y:

y = 6x + 40 *plug in 20 for x and solve*

y = 6 (20) + 40

y = 120 + 40

y = 160

7

step-by-step explanation:

the correct option is b

step-by-step explanation: