Answer:
12 hours
Step-by-step explanation:
21 miles - 4 hours
63 miles - x hours
x = 63 x 4/21 = 12 hours
12 hours-
21/4=5.25
5.25x12=63
3 gallons, i think
1+1=2
1/4+3/4=4/4
2 4/4= 3
exact form: -17/8
decimal form: -2.125
mixed number form: -2 1/8
cmon this is freaking addition
I think it's D) 3
hope I helped
