Wednesday

December 17, 2014

December 17, 2014

Posted by **sarah** on Friday, March 1, 2013 at 8:55pm.

- math -
**Reiny**, Friday, March 1, 2013 at 9:26pmgiven: Z = 3Y

Do you mean X is 10% of the sum of Y and Z ??

If so, then

X = (1/10) (Z + Y)

= Z/10 + Y/10

= 3Y/10 + y/10

= 4Y/10

percentage of X/Y

= (4Y/10) / Y

= 4/10 = 40/100 = 40%

**Answer this Question**

**Related Questions**

math - The sum of two numbers is 105. One number is 6 times the other. Find the ...

Algebra I - The sum of two numbers is 15. Three times one of the numbers is 11 ...

math - can someone help me on this question ive been stuck on it for almost an ...

MATH - The average of two numbers is x. If one of the numbers is 3m-1, then the ...

5th grade math - two numbers are reciprocals of each other and one of them is ...

math - Two numbers are reciprocals of each other. One number is 9 times as large...

Math - Can someone please help me write this statement out in formula form. ...

math - the sum of two numbners is 143. on of the numbers is 3 more than six ...

math help please urgent - the difference of two numbers is 27. the first number ...

Math - four times the difference or two posotive integer numbers is equal to ...