Problem 1 :
When three times a certain number is subtracted from 15, the result is -6. Find the number.
Problem 2 :
Five times a certain number, minus 5, is equal to 7 more than three times the number. What is the number?
Problem 3 :
Three times the result of subtracting a certain number from 7 gives the same answer as adding eleven to the number. Find the number.
Problem 4 :
I think of a number. If I divide the sum of 6 and the number by 3, the result is 4 more than one quarter of the number. Find the number.
Problem 5 :
The sum of two numbers is 15. When one of these numbers is added to three times the other, the result is 27. What are the numbers?
Problem 6 :
What number must be added to both the numerator and the denominator of the fraction 2/5 to get the fraction 7/8?
Problem 7 :
What number must be subtracted from both the numerator and the denominator of the fraction 3/4 to get the fraction 1/3?
Problem 8 :
Eli is now one-quarter of his father's age and in 5 years time his age will be one-third the age of his father. How old is Eli now?
Problem 9 :
When Maria was born her mother was 24 years old. At present Maria's age is 20% of her mother's age. How old is Maria now?
Problem 10 :
Five years ago Jacob was one-sixth the age of his brother. In three years time his age doubled will match his brother's age. How old is Jacob now?
1) The required number is 7.
2) number is 6.
3) x = 5/2
4) the number is 24.
5) x = 9 and y = 6
6) x = 19
7) x = -5/2
8) Eli is 10 years now, and his father is 40 years.
9) the present age of Maria is 6 years.
10) Jacob is 7 years old.
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM