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Jimmy is thrice as old as his son Brad. In 4 years, the sum of their ages will be 68. What is Jimmy's present age


Sagot :

Answer:

Jimmy's present age = 45yrs.

Step-by-step Solution:

Let 3x be Jimmy.

Let x be Brad.

Equation:

(x+4) + (3x+4) = 68

Solve:

x + 4 + 3x + 4 = 68

4x + 8 = 68

4x = 60

x = 15

Then Brad is 15 and Jimmy is 45.

Checking:

1st Condition: Yes, Jimmy's age is thrice the age of Brad.

2nd Condition: Yes, in 4 years, the sun of their ages wohld be 68.

Answer:

Jimmy: 53 years old

Brad: 15 years old

Age Age in 4 years

Jimmy ×+4 3×+4

Brad × ×+4