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19 November, 10:11

About 4/10 of the population has blood type O+. What percent of the population has blood type O+?

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  1. 19 November, 10:12
    0
    If 4/10 of the population have blood type O+, that means 40% of the population have that blood type. To change a fraction to percent, the easiest way is to make the denominator 100. To do this, multiply the whole fraction by 1 (1/1, 2/2, etc). In this case, multiply by 10/10. 4/10 * 10/10 is equal to 40/100. Then, if you have a denominator of 100, the numerator is the percent. Therefore, 40/100 is 40%.
  2. 19 November, 10:37
    0
    40%

    Step-by-step explanation:

    4/10 = 40/100 common denominators

    or %40
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