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Fifteen decreased by the quotient of a number and 3 is 20

User Inorganik
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2 Answers

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(n/3) - 15 = 20 <== ur equation
n/3 = 20 + 15
n/3 = 35
n = 35 * 3
n = 105 <== ur solution
User Greyson
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2 votes

Answer:

The required number is -15.

Explanation:

Given : Expression 'Fifteen decreased by the quotient of a number and 3 is 20'.

To find : The number ?

Solution :

Let the number be 'x'.

According to statement,

Fifteen decreased by the quotient of a number and 3 is 20,


15-(x)/(3)= 20

Solving the equation by subtracting 15 both side,


-(x)/(3)=5

Cross multiply,


x=-5* 3


x=-15

Therefore, The required number is -15.

User Alivingston
by
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