# math

posted by .

A number X is 3 times greater than the number Y, and Y is 3 times greater than Z. If the sum of Y and Z is equal to 50, what is the value of X?

• math -

Just translate ...

x = 3y , and y = 3z

y+z = 50
3z + z = 50
4z = 50
z = 25/2 or 12.5

then y = 3z = 3(12.5) = 37.5
x = 3y = 3(37.5) = 112.5

## Similar Questions

1. ### math

The difference of two numbers is 9. The sum of 3 times the greater number and 4 more than the lesser number is 51. What are the two numbers?

Two number cubes rolled 150 times.Estimate how often the following occured: A sum less than 4 appeared 15 times. A sum of 7 appeared 11 times. A sum of 6 or greater appeared 85 times.
3. ### Math

The greater of two numbers is 1 less than three times the smaller. If 3 times the greater is 5 more than 8 times the smaller, find the number.
4. ### math

a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?
5. ### algebra one

three times the sum of a number and six is greater than four times the number decreased by two
6. ### algebra 2

a two-digit counting number has a value that is 13 greater than 3 times the sum of the digits. If the units digit is 1 greater than the tens digit, what is the number
7. ### math

one number is greater than 3 times the other number by 3. Four times the smaller exceeds the greater by 2 find the number.
8. ### math

Bella rolls 2 number cubes 60 times. How many times can she expect the sum of the numbers to be greater than 10?
9. ### Math

Kim rolls two number cubes 60 times. How many times can she expect the sum of the numbers to be greater than 10
10. ### Math

Consider a number. Greater than 2 which do you think is larger, the sum if you add a number to itself 10 times, or the product if you multiply the number by itself 10 times?

More Similar Questions