Answer:
3x + 9 = 45
Step-by-step explanation:
3 shirts at x dollars each cost 3x
lunch costs 9
altogether she spent 3x + 9
she spent 45
3x + 9 = 45
Answer:
It is a proportional relationship
Step-by-step explanation:
To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.The equation that represents a proportional relationship, or a line, is y=kx, where k is the constant of proportionality.
Hope this helps
the constant of proportionality is 2
Answer:
$13912.50
Step-by-step explanation:
First you find how much carpet you need by finding the area of the room.
18.75*28= 525ft^2
Then multiply the amount of carpet needed by 26.50 to find the total cost.
525*26.50= 13912.50
Hope this helps!
Answer:
B.
Step-by-step explanation:
Have a great day!
