Answer:
25x^2
Step-by-step explanation:
3t shirts cost $18
1 shirt will cost 18/3t = 6/t
7t shirts will then cost = (6/t)*7t = 42
7t shirts will cost $42.00
Answer:
B. $ 74.75
Step-by-step explanation:
the computer costs $299.
dividing it by 4 to find the share of each room mate we get 299/4= $75.74
x = 1/2 and 3
Step-by-step explanation:
Spread ;
= 6x²-18x-3x+9
= 6x²-21x+9
÷ 3 in this equation;
= 2x²-7x+3
= (2x-1)(x-3)
x = 1/2 and 3