How is using partial quotients to divide is similar to using the distributive property to multiply

Which equation requires the division property of equality to be solved?

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

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.