Assessment items Assessment started: undefined. Item 1 The teacher kept track of how long it took students to finish a test. After 20 minutes, 3 students had finished the test. How many students were finished after 70 minutes?

A) 7

B) 8

C) 9

D) 10

heyyy

step-by-step explanation:

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

answer: 323 is how many she has ☃☃⛄❄

step-by-step explanation: