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toxic12396green24
22.09.2019 •
Mathematics
In the ambrose family the ages of the three children are three consecutive even integers . if the age of the youngest child is represented by x + 3 write an eaqation to represent the oldest child.if the sum of the ages is 42 write an equation and solve for x. how old is the oldest child
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Ответ:
The youngest child is (x+3) years old.
Every even number is 2 more than the one before it.
So the three ages are
(x + 3), (x + 5), and (x + 7).
Their sum is x+3 + x+5 + x+7 = 3x + 15
But we're told that their sum is 42, so we can write
3x + 15 = 42 <== the equation
Subtract 15 from each side: 3x = 27
Divide each side by 3 : x = 9 <== the solution
So the three ages are 12, 14, and 16.
The oldest child is 16 years old.
Ответ:
Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
cutt.ly/nz6VGda