Question

Read the instructions first

then graph
Polya created his famous four-step process for problem solving, which is used all over to aid people in problem solving:
Step 1: Understand the problem.
Step 2: Devise a plan (translate).
Step 3: Carry out the plan (solve).
Step 4: Look back (check and interpret​

Answer 1

Explanation:

Step 1:

Age of grace = x

Age of her son = y

Step 2:

x > 20

x + y ≥ 60

Step 3:

x +y ≥ 60

y ≥ -x +60

Step 4

(45, 22)

x > 20 ; y ≥ -x + 60

45 > 20 ; 22 ≥ -45 + 60

22 ≥ 15