Kayla goes to math tutor who charges $30 a session in addition to a one time fee of $20. sara goes to a different math tutor who changes a one time fee of $10 and $35 per session. according to the graph, after a certain number of sessions the cost for each girl’s tutoring is about the same. what is that cost?

$80

Step-by-step explanation:

To solve this question you must first make an equation.

30 times however many sessions she has plus the $20 fee

Then $35 times however many sessions it is plus the $10 fee

you would then need to graph both to find where they meet.

$30(1)+20=50

$30(2)+20=80

$35(1)+10=45

$35(2)+10=80

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.

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