Question

in 3 months Harold watched a total of 40 movies if he watch 12 movies in June and 13 movies in July how many movies did he watch an August write an equation using the variable a to model your work

Answer 1

40=12+13+a

40= 15+a

-15 -15

25=a

Answer 2

15 movies because 12+13=25 and 40-25 is 15 movies in august