Problema Solution
The sum of two numbers is twenty. Three times the smaller is equal to two times the larger number.
Find the smaller number
Answer provided by our tutors
X+Y=20
3X=2Y
X=2Y/3
2Y/3+Y=20
(2Y+3Y)3=20
2Y=3Y=60
5Y=60
Y=60/5
Y=12
X+12=20
X=20-12
X=8
PROOF
3*8=2*12
24=24
8+12=20
20=20
X+Y=14
3X=4Y
X=4Y/3
4Y/3+Y=14
(4Y+3Y)/3=14
7Y=42
Y=42/7
Y=6
X+6=14
X=14-6
X=8
PROOF
4*6=3*8
24=24