1.679 kg * (40 min)/(kg) + 20 min = 67.16 min + 20 min = 87.16 min
Answer:
B I'm pretty sure
Step-by-step explanation:
9 and 4 have 36 in common
to get 9 to 36 you multiply it by 4 and 2x4 is 8
to get 4 to 36 you multiply it by 9 and 1x9 is 9
9+8 is 17
