Actually, d here represents distance and r 1 and r2 are different rates of travelling d/r gives the time and we know, distance upon time is Rate .
Answer: c and e
Step-by-step explanation:
Answer where is the pic ?
Step-by-step explanation:
Average time for a 35 year old man to run half a marathon is 9:50:38
Answer:
Should be D, the one you selected
Step-by-step explanation:
Hope it helps