312/360 - 105/360=
207/360 (both divided by 3)= 69/120 (both divided by 3)= 23/40
400
9^2 x 3 + (-72) division sign 2^2
81 x 3 - 72 division sign 4
243 - 18= 225
400
What is the mean, medium, and mode of 12,13,17
mean (average): 42
medium: 13
mode: no mode
500
2789.6 x 35.1
97914.96
500
solve: 2 x (4)^2 x 5
160
500
A square cake is cut into 16 equal parts. Ben eats 7/16 pieces of cake, Ana eats 1/4 of cake . What fraction of cake is left?
7/16 + 1/4=
7/16 + 4/16= 11/16 -> what they ate
5/6-> what was left of cake
500
Mr. Smith charged Jill $32 for parts and $15 per hour for labor to repair her bike. If he spent 3 hours repairing her bike, how much does Jill owes him?
32 + 3 x 15=
32 + 25= $77
500
A caterer charges a setup fee of $50, plus $20 per person. How much will the caterer charge if 35 people attend the party, and the customer has a coupon for $100 off the total?