Question in description

Question

Lisa is selling candles and soap for a fundraiser. she sells a total of 24 items for a total of $112. if the candles sold for $4 each and the soap sold for $5 each, how many of each did she sell

Answer 1

Set the number of candles is x, the number of soap is y

x+y=24     Total 24 items

4x+5y=112. Total money $112

use substitution method put y=24-x into second equation 

4x+5(24-x)=112

4x+120-5x=112

x=8, y=16