Determine if the following are proportional or not. Why or why not ?

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180