40-15=g so they scored 25 this year and 25+15=40
Since y represents miles and x represents weeks, it would be y=300x
(3/4) /(4/5) = x/1
cross multiply
4/5x = 3/4
x = 3/4 * 5/4
x = 15/16 tons of pebbles are needed to cover the entire garden
C the bank will exchange his new car for a old one
