Ametal fabricating company produces 150,000 souvenir tokens each year. in a random sample of 400 tokens, 3 have stamping errors. predict the total number of coins that will have stamping errors in a year.

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

43lbs of tomatos cost $387. how much would 41lbs cost

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?