Question

4- Thrice a number increased by 6 equal 39. Find the number.
5- Three-fourths of a number exceed its one-third by 15. Find the number.
6- A number when divided by 4 is reduced by 21. Find the number.
[Hint. Let the required number be x then x/4=(x-21)]
7- A number is as much greater than 36 as is less than 86. Find the number.
[Hint. Let the required number x. Then x-36 =86-.]
8- A number exceeds it’s four-sevenths by 18. Find the number.
9- A number exceed 20% of itself by 40. Find the number.
10- If 10 be added to four times a certain number, the result is 5 less than five time. Find the number.

Answer 1

Answer 4: 3x+6=39

              3x=39-6

             3x=33

             x=33÷3

            x=11

Answer 2

Answer:

4

Step-by-step explanation:

3x+6=39

3x=39-6=33

3x=33

x=11