Lena is competing in a 400 m race. She runs at a constant speed of 4.7 m/s for the first 150 m, then 4.1 m/s for 30 seconds. The remainder of the race takes her 42 seconds to complete. What is Lena's average speed for the entire race to 1 dp?

i need points

step-by-step explanation:

sorry bubs

answer: what is the question you're trying to ask?

step-by-step explanation:

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant

on the middle line

step-by-step explanation:

1/5=50