Question

A lawn treatment recommends using its product at a rate of 9mL concentrate per 5L of water to cover an area of 40 square meters. A 5-gallon sprayer is being used for the mixture. How many milliliters of concentrate should be used in the 5-gallon sprayer if 1 gallon is approximately 3.785 liters? ______ mL Round your answer to the nearest hundredth, if necessary.

Answer 1

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Explanation:

To calculate how many milliliters of concentrate should be used in the 5-gallon sprayer, you can follow these steps:

1. Convert 5 gallons to liters using the given conversion factor:

5 gallons * 3.785 liters/gallon = 18.925 liters

2. Calculate how many 5-liter portions are in 18.925 liters:

18.925 liters / 5 liters = 3.785 portions

3. Since each 5-liter portion requires 9 mL of concentrate, you can find out how much concentrate is needed for all 3.785 portions:

3.785 portions * 9 mL/portion = 34.0575 mL

Round the answer to the nearest hundredth:

The number of milliliters of concentrate needed for the 5-gallon sprayer is approximately 34.06 mL.