Sasha can mow 3/8 of an acre of grass in 45 minutes. how many acres of grass does sasha mow per hour?

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10