Ava took 5 minutes out of 60 in an hour to do half a mile
5×2=10
60/10=6mph
Damon took 3 minutes out of 60
3×2=6
60/6= 10mph
Reina took 4 minutes out of 60
4×2=8
60/8= 7.5mph
Answer:
Add 3 over each interval
Step-by-step explanation:
40(60/100) 4(6/10) =24/10 = 2.4
0.25r - 0.125 + 0.5r = 0.5 + r
0.75r - 0.125 = 0.5 + r |add 0.125 to both sides
0.75r = 0.625 + r |subtract r from both sides
-0.25r = 0.625 |divide both sides by (-0.25)
r = - 2.5