Daniels teacher gave him 39 math problems for the week on Monday,Daniel completed 12 problems on Tuesday,he completed the same amount.how many more problems does Daniel have left
well for two days he completed the same amount which is 12 per day. You would have to find the sum of those two days which would be 24 (12 monday+12 tuesday.) then subtract it from the total amount of problems which is 39 to get the answer of 15.