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How many hot dogs and hot dog buns does Mom need to buy?
Sven skis, skates, and snowshoes in the winter triathlon.
How far did the cat walk?
Given the angle of an arc and its endpoints, find the area of the circle that contains the arc.
Can you find the weight of a duckling and two ducks after reading the poem?
Think of irrational numbers like e, √2, or π. Can irrational arithmetic ever yield rational answers?