Sara's results probably do have a higher mean, if we take into account how William is way more willing to pay 20 dollars. Honestly, I think you got your chosen answers right! Just my opinion, as someone inexperienced.
Answer:
no
Step-by-step explanation:
at firth hr - 15×2=
2 nd hr - 60×2
and so on,it takes more than 8 hr
V-10=-3
add 10 by both sides (opposite of -10)
v= 7
Answer:
400,000,000+30,000,000+200,000+90,000+100