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leiort0930
19.12.2019 •
Mathematics
The ratio of ducks to chickens at mr. mc donald's farm is 1 to 3. there are 12 chickens on the farm. what is the total number of ducks and chickens on mr. donalds' farm?
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Ответ:
4 ducks
12 chickens
Step-by-step explanation:
Ducks to Chicken (ducks : chicken) ratio
= 1 : 3
Ducks to Chicken ratio, if chickens = 12
= ? : 12
1 : 3 = ? : 12
Find the scale factor of the ratios by dividing the number of chickens to the ratio of chickens.
12 ÷ 3 = 4
To find the number of ducks, multiply the ratio of ducks by the scale factor.
1 X 4 = 4
Therefore, there are 4 ducks and 12 chickens on the farm.
Ratios can also be written like fractions. Use this to check the
1/3 = 4/12
4/12 can be reduced by dividing both the top and the bottom by 4.
4/4 = 1 Same as original ratio top
12/4 = 3 Same as original ratio bottom
Ответ:
40%
Step-by-step explanation:
x = # of values below x/n * 100
14 = 4/10 * 100
14 = 40