Wes had $4.75 in quarters and dimes if he had 25 coins. how many of each did he have?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Find an equation of variation where y varies directly as x and y 75 when x5, findy when x is 1