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loraine4664
18.08.2021 •
Mathematics
The image above is a photograph of King Tut's.
The answer is B
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Ответ:
Jewel is 7 years old
John is 1 year old
Dave is 17 years old
Step-by-step explanation:
From the question we are told that:
Jewel age is![J=7 years](/tpl/images/1364/6417/22c31.png)
John age![J'=(D-16)years](/tpl/images/1364/6417/b1f89.png)
Dave's age a Year ago
So that Dave.s age this Year could be
Simplifying Equation for Dave's age we have
Dave is 17 years old
Therefore
Johns age is
John is 1 year old