Richard is organizing the picnic lunch for a group of fourth graders. He recalls that at that last picnic 20 students used 80 napkins. Assuming the same rate this time, how many napkins should he pack for 200 fourth graders?

.

step-by-step explanation:

you never say the total so we cant find the percentage used for petrol

step-by-step explanation:

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

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.