To multiply mix numbers and a normal fractions you make the mix number into a improper fraction. To do that you multiply the bottom and add the top. Here are the answers:
1/2 x 5 1/2 = 2 3/4
3 3/4 x 1/2 = 1 7/8
1/2 x 3 1/3 = 1 1/6
3/4 x 3 1/6 = 3 1/8
2/1 x 1 1/7 = 2 2/3
90 kids
If the DJ is 250 and the pizza is 200 that is $450 altogether
Now if you divide 450 by 5 (the cost to attend the dance) you get 90!
I hope this helped
Area = 35*20/2 = 35*10 = 350 square centimeters
hope helped
