Challenge A bag contains pennies, nickels, dimes, and quarters. There are 50 coins in all. Of the coins, 10% are pennie and 36% are dimes. There are 3 more nickels than pennies. How much money does the bag contain?

Calories Fred had a grilled chicken sandwich, a small order of fries, and a 12-az chocolate shake for Dinner. The restaurant’s nutrition chart lists the following calories for each item: Grilled chicken sandwich — 420 calories Small fries — 230 calories 1 2-oz chocolate shake — 580 calories What was the total number of calories of Fred’s dinner?

In a bag, a child has 325 coins worth $19.50. There were three types of coins: pennies, nickels, and dimes. If the bag contained the same number of nickels as dimes, how many of each type of coin was in the bag?

Galen sold 810 tickets for his church’s carnival for a total revenue of $2,820. Children’s tickets cost $3 each and adult tickets cost $5 each. How many children’s tickets and how many adult tickets did he sell?