An Adult Education program needs to order 50 math books. Each book costs $2.89 to print. Approximately how much will the printing cost the program?

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Multiple Choice

An Adult Education program needs to order 50 math books. Each book costs $2.89 to print. Approximately how much will the printing cost the program?

Explanation:
Rounding to estimate costs when buying multiple items. Each book costs about 3 dollars to print (since 2.89 is close to 3). For 50 books, 50 × 3 = 150 dollars. So the printing cost is about 150 dollars. If you check the exact total, 50 × 2.89 = 144.5 dollars, which is a bit under 150, but 150 is the closest reasonable estimate. The other options would imply per-book costs far from 2.89.

Rounding to estimate costs when buying multiple items. Each book costs about 3 dollars to print (since 2.89 is close to 3). For 50 books, 50 × 3 = 150 dollars. So the printing cost is about 150 dollars. If you check the exact total, 50 × 2.89 = 144.5 dollars, which is a bit under 150, but 150 is the closest reasonable estimate. The other options would imply per-book costs far from 2.89.

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