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Brandon decided to make his own hand sanitizer.
To be effective, hand sanitizer should contain 60% alcohol .
How much water does Brandon need to make 250ml of sanitizer????

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Respuesta :

Answer:

100 mL

Step-by-step explanation:

Total = Alcohol + Water

100% = 60% + Water

Water = 40% of Hand Sanitizer

To make 250 mL of sanitizer :

⇒ Water content = 250 × 2/5

⇒ Water content = 50 × 2

⇒ Water content = 100 mL

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