Answer:
7. 4 decades is equal to 40 years
8. 5 years is equal to 60 months
9. 72 hours is equal to 3 days
Step-by-step explanation:
In number 7 po every 1 decade is equal to 10 years.
In number 8 po every 1 year is equal to 12 months
And for number 9 po every 24 hours is equal to 1 day
