Let "x" represent the age of Brian.
Andrew is elder than Brian by 2 years, we can symbolize his age as "x+2"
Frank is twice as old as Andrew, we can symbolize his age as "2(x+2)"
Sarah has half the age of Brian's, we can symbolize her age as "x/2"
Frank ans Sarah's ages differ by 40 years, we can symbolize this as:

Solve the term is parenthesis

x=24 years
Andrew's age is

Andrew is 26 years old
Answer:
the answer would be it is approximately <u>4</u><u>3</u><u>.</u><u>8</u><u>5</u>
<u>(</u><u>did </u><u>addition</u><u>)</u>
35 = 45 - n
think of it as money
45 dollars take away how many (n) = 35 dollars
45 - n =35
or you can subtract 45 from both sides
-n = 35-45
-n = -10
divide by -1 from both sides
n = 10
35 toes? 5 toes on each foot
35 divided by 5=7
7 feet…?
Step-by-step explanation:
There are 2 questions in one.
1)
<u>Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age:</u>
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2)
<u>Roberta is twice as old as David. In 10 years, Roberta will be 8 less than three times David's present age:</u>
Correct choice is A