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I thought of a decimal number. After I had multiplied it by 2,

Question

I thought of a decimal number. After I had multiplied it by 2, then added 1.5 and then divided by 3, I got 3.5. What was the decimal number?

A

7.1

B

5.6

C

5.8

D

4.5

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Liam Discussed

I thought of a decimal number. After I had multiplied it by 2, then added 1.5 and then divided by 3, I got 3.5. What was the decimal number?

12 mins ago

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12 mins ago

Text solutionVerified

Let the decimal number be

x .

\frac{x \times 2 + 1.5}{3} = 3.5

2 x + 1.5 = 3.5 \times 3

2 x + 1.5 = 10.5

2 x = 9

x = \frac{9}{2}

x = 4.5

Hence, correct option is D.

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Question Text	I thought of a decimal number. After I had multiplied it by 2, then added 1.5 and then divided by 3, I got 3.5. What was the decimal number?
Answer Type	Text solution:1
Upvotes	150