A) Divide total miles by total time:
21 miles / 4 hours = 5.25 miles per hour.
B) Divide miles by miles per hour:
42 miles / 5.25 miles per hour = 8 hours.
20/5 and -20/-5 are equivalent
So the total amount of marbles is: 20+12=32
there are 20 pink marbles
20/32 = 10/16 = 5/8 (simplified)
Answer:
C
Step-by-step explanation:
The exponent is negative so you put the number under 1 with the exponent positive
