A truck can be rented from a company A for $120 a day plus $0.20 per mile. Company B charges $80 a day plus $0.30 per mile to rent the same truck. Find the number of miles in a day at which the rental costs of Company A and Company B are the same .

x= 149. 24+7=31. 180-31=149

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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.