A shop sells 3 tires that cost $175 each, which includes a fourth tire for free. Is this more or less expensive than buying 4 tires that cost $135 each?
1 Answer
Dec 17, 2016
Explanation:
#"3tyres + 1 free = 4 tyres"#
#"cost for 4 " =3xx$175=$525# Compared to.
#"cost of 4 " =4xx$135=$540# Thus it costs less to buy 3 tyres at $175 each and get 1 free.
