Rugby Jerseys Sale
Math Problem: 400 rugby jerseys were sold. Some were sold for $29 each, and the rest were sold for $34 each.?
The total receipts from the sales were $12,685
A). Write a system of equations to find the number of jerseys sold for $29 (x) and the number of jerseys sold for $34 (y).
B). How many jerseys were sold for $34?
PLEASE I NEED HELP WITH THIS.
I DONT WANT ONLY THE ANSWER
IM NOT A KIND OF PERSON WHO JUST WANTS THE ANSWER JUST TO FINISH HOMEWORK FASTER
I WANT TO UNDERSTAND HOW YOU DID IT
first you have 2 equations: 29x+34y=12685 (for the total amount of $)
this is part A) x+y=400 (for the total # sold)
next take the second equation: x+y=400
and move x to the other side: y=400-x
now put this value of y into the first equation: 29x+34(400-x)=12,685
get rid of parentheses: 29x+13,600-34x=12,685
combine x’s and move 13,600 to other side: -5x=-915
divide by -5: x=183
now that you have x put it into the original equation x+y=400
183+y=400
now subtract 183 from both sides: y=217
part B) y=217
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