Question

1) Given the following problem: I am thinking of a number. If you double the number and add 10, the result is 22. What is the number? a) Write a detailed explanation of the solution of the problem using the problem solving strategy: Work Backwards

Answer 1

Answer:

6

Step-by-step explanation:

let the number be x

as per question, 2x + 10=22

2x=12

x=6

Answer 2

Answer:

answer is 6+6=12

12+10=22