Answer:
180 hours
Step-by-step explanation:
24 hrs in a day
5/6 of 24 is 20 and multiply it by 9 because there are 9 days
=180
Sry I'm couldn't solve the second one but the ans for the 1st is 504 sq units
He would be able to build 9 houses.
3 1/4 times 4 is 16 then time 5 1/2 =71.5
