15 is 5% of what number?

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kjcdb8er's profile pic

kjcdb8er | Teacher | (Level 1) Associate Educator

Posted on

X/N  = P --> X is P percent of N

15/N = 0.05 ---> N = 15/0.05 = 300

15 is 5% of 300

malkaam's profile pic

malkaam | Student, Undergraduate | (Level 1) Valedictorian

Posted on

In order to find out hat 15 is 5% of what number,

Lets assume that the number is x.

Therefore, we form an equation:

15=5% of x

15=(5/100) *x

Taking 5/100 on the other side:

15*100/5=x

or, x=15*100/5

x= 1500/5

x= 300

Therefore, we find out that x is equal to 300, which means that 15 is 5 percent of 300. 

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jess1999 | Student, Grade 9 | (Level 1) Valedictorian

Posted on

15 is 5% of what number

To find this we can use the equation

15/x = 5/100 first multiply 5 with " x " and 100 with 15 

By multiplying you should get

5x = 1500 now divide both sides by 5

By dividing, you should get

x = 300  which is your answer

felando's profile pic

felando | Student, Undergraduate | (Level 2) eNoter

Posted on

Let the number be represented by x.

15=5% of x

15 =5x/100

multiply both sides by 100

1500 =5x  (100 cancels 100 on the right hand side)

divide both sides by 5

300 = x.

(If you check back your answer into the equation )

5 % 0f 300 =15

 

 

 

 

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