Question

Q. 8 Think of a number,add 10, then multiply by 2. The answer is 100
What is the number?
a. 45 b. 65 c. 40 d. 50
fthe following
bu 218​

Answer 1

Step-by-step explanation:

Let the number be x

2(x + 10) = 100

2x + 20 = 100

2x = 100 - 20

2x = 80

x = 80/2

x = 40

hence option c. 40 is the correct answer

Answer 2

Answer:

40+10=50

50×2=100

40 is answer

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