Answer:
Step-by-step explanation:
total tickets=20+60=80
percentage of child tickets sold=(20)/(80) ×100=25 %
Answer:
Wave length = speed / frequency
Wave length = 3x10^8 / 4.11x10^4
Wave length = 7.299x10^3nm
Step-by-step explanation:
Step-by-step explanation:
3
fdjdjdjdnfjfjfjfjjfkfjf
Answer:
c
Step-by-step explanation:
i just used a calculator lol