Who Is Sixteen Years Old Is Four Times As Old As Her Brother How Old Will Mary Be When She Is Twice As Old As Her Brother?

Explanation: When Mary is 16 , her brother is 4 . Let x be the year when Mary will be twice as old as her brother.

Who is sixteen years old is four times as old as her brother?

Explanation: When Mary is 16 , her brother is 4 . Let x be the year when Mary will be twice as old as her brother.

What does four times as old as mean?

years old and her brother is four times younger which means the age of her brother when she is 16 . is 4 . . Now, i.e x be the year when Mary will be twice as old as her brother.

How to solve Mary who is sixteen years old is four times as old as her brother how old will Mary be when she is twice as old as her brother?

2 Answers By Expert Tutors

Checking that in 8 years her brother will be 4+8=12 and yes mary will be twice as old When she is 24. At the indicated ages, Mary is 16 and her brother is 4 (since she is 4 times older than he is).

What does twice as old mean?

3 adv If one thing is, for example, twice as big or old as another, the first thing is two times as big or old as the second . People sometimes say that one thing is twice as good or hard as another when they want to emphasize that the first thing is much better or harder than the second. ADV as adj/adv.

Who is eight years old is four times as old as his sister how old will Hakimi be when he is twice as old as his sister?

12 because Hakami is eight and divided by 4 is 2. SO his sister is 2 and he is 8. There is a 6 year difference. When his sister is 6, Hakimi will be 12.

What is the easiest way to solve age problems?

1. If the present age is y, then n times the present age = ny.
2. If the present age is x, then age n years later/hence = x + n.
3. If the present age is x, then age n years ago = x – n.
4. The ages in a ratio a: b will be ax and bx.

What are the steps to solve age problems?

1. Express what we don’t know as a variable.
2. Create an equation based on the information provided.
3. Solve for the unknown variable.
4. Substitute our answer back into the equation to see if the left side of the equation equals the right side of the equation.

What is the next number in the sequence 4’11 25?

Hence the next number in the sequence is 221 .

What does twice as mean in math?

In math, twice means a multiplication of a quantity by two .

What is John’s present age if after 10 years his age will be 5 times in 5 years back?

Correct option is 4

We are given that John’s age after 10 years (x + 10) is 5 times his age 5 years ago (x-6).

How do you solve average problems in aptitude easily?

An average, or more accurately an arithmetic mean is, in crude terms, the sum of n different data divided by n . For example, if a batsman scores 35, 45 and 37 runs in first, second and third innings respectively, then his average runs in 3 innings is equal to (35+45+37)/3 = 39 runs.

How do you solve problems?

1. Define the problem. What exactly is going on? ...
2. Set some goals. ...
3. Brainstorm possible solutions. ...
4. Rule out any obvious poor options. ...
5. Examine the consequences. ...
6. Identify the best solutions. ...
7. Put your solutions into practice. ...
8. How did it go?

How do you calculate your age?

Let the daughter’s age be x and father’s age be 4x. So as per question, 4x + 5 = 3(x + 5). So x = 10. Hence present age of daughter is 10 years and present age of father is 40 years.