Answer:
She drove 200km at 100km/hr and she drove 240km at 80km/hr
Step-by-step explanation:
2×100km/hr=200km and 80km/hr×3=240km/hr
200km+240km=440km
(2+3=5)
The answer is d because there is nothing before 1/4
D. 117
4(5)^2+2(5)+7
4(25)+(10)+7
100+10+7= 117