Question

one number is five more than twice another . if their sum is decreased by ten the result is twenty. find the numbers

Answer 1

(25/3, 65/3) or x=25/3, y=65/3 or The numbers are 25/3 and 65/3.

Explanation:

2x+5=y

(x+y)-10=20

-------------------

2x+5=y

x+y=20+10

---------------

y=2x+5

x+y=30

------------

x+2x+5=30

3x+5=30

3x=30-5

3x=25

x=25/3

y=2(25/3)+5

y=50/3+5

y=50/3+15/3=65/3

x=25/3, y=65/3.