A family left their house in two cars at the same time. One car traveled an average 7 miles per hour faster than the other. When
1 answer:
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For a moment, let 
. Then by the distributive property,
Again by the distributive property,
Taking everything together, we get
Again by the distributive property,
Taking everything together, we get
Hello.
In 10 years, his age will be
The sum of his current age and 10 equals his age in 10 years.
2 years ago his age was
The difference of his current age and 2 equals his age 2 years ago.
7 years ago his age was
The difference of his current age and 7 equals his age 7 years ago.
Therefore, his age after 10 years will be , his age 2 years ago was
, and his age 7 years ago was
I hope it helps.
Have a nice day.