Math Challengers?

Question:Forty people each bought $2 lottery tickets. Three Of These people won $5, two of them won $10, and one of them won $20. The Total amount of money won is what percent of the total amount spent on the tickets?


Extra Harder:
The length of a classroom is 32 ft. The width is 75% of the lenght. Find the area of the classroom in square feet.

Answers:
The extra harder is the easiest one. 75% of 32 feet is 24. Now you find the area.
The percentage for the first one is (5 * 55) / 4 = 275/4 = 68.75%.
24 * 32 = 758 sq.ft.
lolz am I right ? ^_^ I didn't bother to use a calc.
69%

768 square feet
Ist Q: 68.75%

2nd Q: 768
68.75% and 768 square feet......

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