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Arithmetic
Question

8. Sorting Donations. At the neighborhood food pan...

8. Sorting Donations. At the neighborhood food pantry, Grace can sort a morning's donations in 

\( 4.5 hr \) . Caleb can do the same job in \( 3 hr \) . Working together, how long would it take them to sort the food donations? 

Answer

1÷(\(\frac{1}{3}\)+\(\frac{1}{4.5}\))=1.8 hr

Solution
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