Answer:
10
Explanation:
Make our unknown equal to x, in this case his current age.
In 20 years he will be three times as old as he is now, in other words:
x + 20 = 3x
Now solve the equation:
20 = 3x - x
20 = 2x
10 = x
Answer:
0.24999999 as a fraction equals 24999999/100000000
Step-by-step explanation:
To write 0.24999999 as a fraction you have to write 0.24999999 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
Answer:
3/4
Step-by-step explanation: