Achocolate chip cookie recipe calls for 15 cups of flour for 20 dozen cookies. how many cups of flour are needed for 144 cookies?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.