cduke1919
08.07.2021 •
Mathematics
The mean of 5 numbers is 198. the numbers are in ratio 1:2:3:4:5 find the smallest number
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Ответ:
13.2
In fraction form, this is 66/5
Explanation:
The five values are in the ratio 1:2:3:4:5 which scales up to 1x:2x:3x:4x:5x for some positive number x.
Add up the pieces of the second ratio and set that sum equal to 198. Then solve for x.
1x+2x+3x+4x+5x = 198
15x = 198
x = 198/15
x = 66/5
x = 13.2 is the smallest number since 1x = 1*13.2 = 13.2 was the smallest value of the ratio 1x:2x:3x:4x:5x.
Ответ: