The expression 3a + 2b + c gives the average number of points a team earns in d d

games by winning a games in regulation, b games in overtime and losing c games in overtime. What is the average number of points earned for a team that wins 10 games in regulation, wins 8 in overtime, loses 6 in overtime, and loses 4 in regulation?

It helps to make your fractions readable ...

just plug in the numbers.
(3*10 + 2*8 + 6)/(10+8+6+4) = ___