Posted by **sarah** on Saturday, July 27, 2013 at 6:26am.

if a number x is 10%of y and z,and z is 3 times of y.What % is x of y alone? 1)3.3% 2)2.5% 3)5% 4)4%

- math -
**PsyDAG**, Saturday, July 27, 2013 at 12:38pm
z = 3y

x = .1(y+z) = .1(y+3y) = .1(4y)

Take it from there.

- math -
**sarah**, Sunday, July 28, 2013 at 1:54am
i don't understand what is x of y alone ,

- math -
**PsyDAG**, Sunday, July 28, 2013 at 12:47pm
It is the relationship of x to y with z factored out.

## Answer This Question

## Related Questions

- Math - You roll a number cube and get a one 7 times, a two 8 times, a three 5 ...
- math - the number of my hunderds plus the number of my thousandsin 3. the number...
- Math - a standard number cube is rolled 180 times. Predict how many times a 3 or...
- MS. SUE - MATH HELP PLEASE - The sum of five times a number and twice a second ...
- math - negative one times the sum of twice a number and 3 is equal to two times ...
- math - write the verbal sentence as an equation.then solve the equation Three ...
- Math - Zabato is thinking of a number. Three times the sum of the number and ...
- Math 8R: Homework Check - Part 4 - Part 4: Translate and solve: 25. 6 less than ...
- Math - Six times a number x plus 2 times a number y is more than 4 times a ...
- Math - One number is 2 more than another number. Add 11 to 6 times the first ...

More Related Questions