Who do I find the percent of a number

Lydia is buying cupcake ls for he brother birthday party. She brought 36 cupcakes total. Of the cupcakes she bought, 5/6 of them were vanilla cupcakes, which cost $1.50. The rest of the cupcakes were chocolate, which cost $2.25 each.

If n (U) = 360, n (A) = 240, n (B) = 160, find the maximum value of n (AUB) and the minimum value of n (A n B). When will the value of n (An B) be maximum and find its value.

If you randomly selected a permutation of the letters E, O, G, M, E, R, T, Y, what is the probability they would spell "geometry"?

The quotient of a number and 5 is less than 4

Perpendicular lines intersect true or false

One method for estimating abundance of animals is known as line-intercept sampling. The theory of this method, when applied to Alaska wolverines, predicts that the proportion p equals. 453 of attempts to locate wolverine tracks should be successful.

A plumber charges $45 for a service call plus $25 for each hour that he is working at a customer's house. If he conducts a service call that takes 3 hours, what will the customer's bill be?

Which problem can be solved using this equation? 0.15m+35=0.25m+20

Rick and Ranger sell Toyotas for Tom's Auto. Over the past year they sold 360 cars. Assuming Rick sells 5 times as many as Ranger, how many Toyotas did Ranger sell?

During his first vet visit, Pedro's puppy weighed 6 1/8 pounds. On his second visit, he weighed 9 1/16 pounds. How many weight did he gain between visits?