To grandparents house :
140/56 = 2.5 hours
Return trip :
140/50 = 2.8 hours
Total time : 2.8+2.5 = 5.3 hours
Answer:
bro its 10
Step-by-step explanation:
5 kilometers in 30mins and if he stayed at the same rate for an hour he would have ran 10 kilometers cause 5 x 2 = 10
K = 5 or k = 3
Hope it helps-,-
The answer is zero, i think