Answer:
C. -84
Step-by-step explanation:
It is the smallest because when placed on a number line, it will be the farthest left.
If we do this calculation :
20 * 7 days = 140 milligrams
Answer:
60 km/hr.
Step-by-step explanation:
When Dad caught up the the time he had been driving was 4 hours and the time Mom had been driving was 1 + 4 = 5 hours.
They both drove the same distance, d km.
For Dad:
speed = d / time
75 = d / 4
d = 75 * 4 = 300 km.
Mom took 5 hours to travel this distance, so
Mom's speed was 300 / 5 = 60 km/hr.
1) -2 -6
2) -2 -y
3) -2 -6 + -y
4) -2 -6 -y
