William has 60 minutes to finish his math and science homework before dinner. It takes him 13 minutes to complete his math homework. It if takes him 3 times as long to complete his science homework, how much time is left before dinner?
8 minutes
What is another way to write "four hundred seventy-eight?
D. 400 + 70 + 8
What are TWO ways to write the SAME number?
A (746) and D (7 hundreds + 4 tens + 6 ones)