Answer:
70
Step-by-step explanation:
60/40Ⅹ50=70
I hope this helps
11x + 14
V = D/t = 10 / 20 = 0.5 mile per min
V = D/t = 20/30 = (2/3) mile per min
V = D/t = (10+20)/ 50 = (3/5) mile per min