Question

A student can do an average of 25 math problems an hour. If at a certain time of day, he has done 40 math problems, how many problems will he have done if he continues working for another 2 hours?
__ math problems

Answer 1

Answer:

90

Step-by-step explanation:

now: 40

after one hour: 40+25 = 65

after two hours: 65+25 = 90