A flash drive manufacturer charges $100 for each box of flash drives ordered, However, for orders in excess of 30 boxes, but less than 65 boxes, It reduces
the price for all boxes by $1 per box. If a customer placed an order that
qualified for the discount pricing and the bill was $4200, how many boxes of flash drives were ordered

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

this is answer of 144 cubic meters

answer: list the statements and i will follow up!

step-by-step explanation:

1st part is 64,000,000

2nd part 500,000

step-by-step explanation: