2 Which of the following sets of numbers have a LCM of 60? d. 15, 30, 3
b. 4, 10, 12, O
a. 3, 12, 8
c. 10, 8, 20

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project