To do this question you can use proportions.
3/60 is simplified to 1/20.
This shows that if you study 1 hour you get a 20. So to find the answer you multiply each side by 4.5, this means that if you study 4.5 hours you get a 90.
Answer:
1. 220 minutes
2. $45.6
Step-by-step explanation:
Step-by-step explanation:
first in time : original. 2a : of, relating to, or being a prime number — compare relatively prime. b : having no polynomial factors other than itself and no monomial factors other than 1 a prime polynomial.
Answer:
if boo ygdv
Step-by-step explanation:
f bi igfcnkyf f jurf