Answer:
5m+ t = r
Step-by-step explanation:
m is the miles. t is how long she took. and r is for the time limit of the race.
The estimate is greater then.
143*2=286
286*2=572 not 6,517
first one is 1
Second is -2/3
Answer: 4
Step-by-step explanation: 2/5 x10 is 4
8