The freshman and sophomore classes at Morristown High School are decorating floats for the school parade. The freshmen have alre
ady spent $307 on their float, plus they need to buy floral sheeting that costs $69 per roll. The sophomores, who have spent $342 so far on theirs, still need to purchase vinyl grass at $68 per roll. Both classes plan to buy the same number of rolls, since they have the same area to cover. How many rolls will each class be buying?
Let x represent the number of rows of either floral sheeting or vinyl glasses that each class would buy.
The freshmen have already spent $307 on their float, plus they need to buy floral sheeting that costs $69 per roll. This means that the total cost of buying x floral sheetings would be
307 + 69x
The sophomores, who have spent $342 so far on theirs, still need to purchase vinyl grass at $68 per roll. This means that the total cost of buying x vinyl grass would be
342 + 68x
Since they are buying the same number of rolls to cover the same area, then
