Answer:
$2.20 per child
Step-by-step explanation:
16-4=11
11/5=2.2
Answer: Stephanie is the fastest
Step-by-step explanation:
Here we have to find who runs faster:
Liz:
Katie:
Stephanie:
Noah:
As we can see after comparing, Stephanie is the fastest, since she travels more distance in less time.
Answer:
10.2 years
Step-by-step explanation:
it decays 4.9% per year.
figure out how many years it takes to decay 50% (half-life)
50/4.9 = 10.2