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arigamez90
25.09.2019 •
Mathematics
Atriceatops has to children. one is 3 times older than the other. together, their age is 50 months how old are they?
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Ответ:
3x = y
Now, we also know that together their ages equal 50 months. Therefore:
x + y = 50 (months)
So, using these two equations you can use either substitution or elimination to find the values of x and y. You would first need to rearrange the first equation to 3x - y = 0 (just moving the y to the other side).
Then, you could add the equations together as followed:
3x - y = 0
x + y = 50
4x = 50
x = 12.5
And then fill that value in to one of the equations to find y.
3x = y
3(12.5) = y
y = 37.5
So, one child is 12.5 months old and the other is 37.5 months old!
Ответ:
7 bowls
Step-by-step explanation:
5_ 5/6 divided by 3/4 equals 7.77777