Factful math: Grade 3rd-5th
Math skills: Percentage
Related issues: Water / SDGs6: Clean Water and Sanitation
Plant-based burgers use about 95% less water than regular beef burgers. A regular beef burger uses about 600 gallons of water to make. How much water does it take to make a plant-based burger?
ANSWERÂ 30 gallons
600 x 0,05 = 30
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Factful math: Grade 3rd-5th
Math skills: Average
Related issues: Water / SDGs6: Clean Water and Sanitation
Not all the people in the world has access to toilets, and about 500 million people still practice open defecation. The number of people practicing open defecation decreased by 245 million between 2015 and 2020. On average, about how many people gained access to toilets per year between 2015 and 2020?
A. 50
B. 100
C. 200
ANSWERÂ A
245 million / 5 = 49 million = about 50 million
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