Destiny received a $25 iTunes gift card and bought 18 songs. Zoie received a $15 iTunes gift card and bought 6 songs. They ended up with the same amount left over on their
gift cards. Which equation could be used to determine s, the cost of one song on iTunes?
(A). 25+18=15+6s
(B). 25+15=18S+6s
(C). 25-18s=15-6s
(D). 25-6=15-18s

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Need solving this 2nd limit problem.

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each