Marco does 14 extra math problems each school night how many extra problems does he do each week. there are 5 school nights in a week

Respuesta :

Marco does 70 extra math problems each week. 14(5)=70 
5 school nights* (14 math problems/ 1 school night)= 70 math problems.
(Note that the unit cancels out so you get the answer)

The final answer is 70 math problems~