Sam is 2 years and his mother is 28 years old. in how many years will sam's mother be 3 times as old as he will be?

Step-by-step explanation:

Let:

Now, let's write the problem in form of an algebraic equation. Basically, the future age will be the current age plus x quantity of years. So mathematically we can calculate in how many years will Sam's mother be 3 times as old as he will be as:

Solving for x:

Replacing the values of and

Hence, the years required for Sam's mother be 3 times as old as sam will be is 11

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

12cm

the answer is d