Answer:
- 4m - 2r - 25
Step-by-step explanation:
-8m + (-15) + 4m - 2r - 10
- 8m - 15 + 4m - 2r - 10
collect the like terms beginning with the positives
4m - 8m - 2r - 10 - 15
- 4m - 2r - 25
48 then 70. Your rule is add 7.
0.065 as 0 doesn't count as a significant number
It took mike and sam 5 hours and 11 minutes to finish the race
I think it might be 48 maybe
