A farmer has \(15\) chickens and \(10\) pigs. His farm is \(50\) acres. If each chicken lays \(6\) eggs a week, how many eggs does he collect in a week?
The extra information is the number of pigs (\(10\)) and the size of the farm (\(50\) acres). You only need the number of chickens and eggs per chicken. Solution: \(15 \times 6 = 90\) eggs.
During a \(5\)-day school week, a cafeteria serves \(3\) types of milk. They sold \(120\) cartons of chocolate milk and \(150\) cartons of white milk. How many total cartons of milk were sold?
The extra information is the number of days (\(5\)) and the types of milk (\(3\)). You only need the number of cartons sold. Solution: \(120 + 150 = 270\) cartons.
A bus route is \(25\) miles long and has \(12\) stops. The bus driver drives the route \(4\) times a day. How many miles does the bus driver travel each day?
The extra information is the number of stops (\(12\)). You only need the route length and the number of times it's driven. Solution: \(25 \times 4 = 100\) miles.
There are \(24\) students in Mrs. Davis's class and \(26\) in Mr. Smith's class. For a project, \(15\) students in Mrs. Davis's class chose to paint. How many of her students chose a different activity?
The extra information is the number of students in Mr. Smith's class (\(26\)). You only need the numbers related to Mrs. Davis's class. Solution: \(24 - 15 = 9\) students.
A video game costs \(\$49.99\). It has \(12\) levels and takes about \(20\) hours to complete. If you save \(\$5\) a week, how many weeks will it take to save enough to buy the game?
The extra information is the number of levels (\(12\)) and hours to complete (\(20\)). You only need the cost and your savings rate. Solution: \(\$49.99\) is about \(\$50\), so \(50 \div 5 = 10\) weeks.
An airplane flies at \(500\) miles per hour at an altitude of \(30,000\) feet. There are \(180\) passengers on board. How far will the plane travel in \(3\) hours?
The extra information is the altitude (\(30,000\) feet) and the number of passengers (\(180\)). You only need the speed and time. Solution: \(500 \times 3 = 1,500\) miles.
A recipe for \(12\) cookies requires \(2\) cups of flour and \(1\) cup of sugar. If you want to make \(36\) cookies, how many cups of flour do you need?
The extra information is the amount of sugar (\(1\) cup). You only need the numbers related to cookies and flour. Since \(36\) is \(3\) times \(12\), you need \(3\) times the flour: \(3 \times 2 = 6\) cups.
The temperature was \(75\)°F at noon. By \(6\) PM, it dropped by \(15\) degrees. There was a \(10\) mph wind. What was the temperature at \(6\) PM?
The extra information is the wind speed (\(10\) mph). You only need the starting temperature and the drop. Solution: \(75 - 15 = 60\)°F.
