Jack was 11 years older than percilla together their age is totaled 155 years what were their ages

Percilla's age is 72.

Jack's age is 83.

Step-by-step explanation:

Let x: age of Percilla. The age of Jack in terms of Percilla's age is . Then the sum of Jack's and Percilla's ages can be expressed as:

We can apply inverse operations, so we take 11 on both sides and the equation remains unaltered. Remember that :

Now, we divide by 2 on both sides:

Therefore Percilla's age is 72 and Jack's age is 72+11=83.

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point