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Assessment

If you buy a book for $12.50 and a pen for $3.75, how much do you spend in total using a calculator?

A recipe requires 2.5 cups of flour. If you want to double the recipe, how many cups of flour do you need to enter in the calculator?

If a car travels 120 miles in 2 hours, what is its average speed in miles per hour (mph), as calculated using a calculator?