The formula of an area of a square: 
a - side
We have: 
substitute:

The fromula of a perimeter of a square is: 
substitute:

50>23.25+4.5x
if he saves money for 5 weeks he’ll have enough money
23.25+4(6)=50.12
Answer:9
Step-by-step explanation:81 divided by 9=9
The answer to the last drop down as far as i remember from last year is .100
Please tell me if im correct
And have a fantastic day hehe!