Question

*If we double a number and addded to its three times to it, the sum is 45. So what is four times that number?*​

Answer 1

Answer:

36

Step-by-step explanation:

Let the number be x

double the number = 2x

3 times the number = 3x

2x + 3x = 45

5x = 45

Dividing both sides by 5,

x = 9

Asked: 4 times the number = 4x

4x = 36

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Answer 2

Given :- If we double a number and addded to its three times to it, the sum is 45. So what is four times that number ?

Answer :-

Let the number is x .

so, given that,

→ Double of x + three times of x = 45

then,

→ 2x + 3x = 45

→ 5x = 45

dividing both sides by 5,

→ x = 9 .

therefore,

→ 4 times of that number = 4 * x = 4 * 9 = 36 (Ans.)

Learn more :-

let a and b positive integers such that 90 less than a+b less than 99 and 0.9 less than a/b less than 0.91. Find ab/46

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