Answer highlighted in blue. Hope this helps.
Answer:

Step-by-step explanation:
Given:

Required
Determine the sum of the solutions
This question will be answered using quadratic formula:

Where:



So, we have:




or 
The sum of the solution is then calculated as:

Take L.C.M



Answer:
- Martin is 40 and Ada is 14
Step-by-step explanation:
- Martin's age = m
- Ada's age = a
<u>Martin is two years younger than three times his daughter Ada’s age:</u>
<u>The sum of their ages is 54:</u>
<u>Solving this equation for m:</u>
<u>Eliminate m:</u>
<u>Solve for a:</u>
- 3a + a = 54 + 2
- 4a = 56
- a = 56/4
- a = 14
<u>Find m:</u>
Martin is 40 and Ada is 14
32.5...
125x26 = 3250 divided by 100 = 32.5
hope this helps!