Question

To buy both the green (G) and blue (B) bikes would cost $1500. To buy the green and red (R) bikes would cost $750. To buy all three bikes would cost $2000. How much does each bike cost?
G = $? B = $? R = $?

Answer 1

The answer is
g = $250
b = $1250
r = $500
2000-1500=500 (R)
750-500=250 (G)
1500-250=1250 (B)