PLEASE HELP: Tickets for the CTA train cost $0.75 for students and $1.25 for chaperones. If a school trip has a total of 50 people and everyone on the trip brings $1, how many students and chaperones are on the trip? *

HINT: Try graphing your equations or multiplying the cost equation by 4.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second