I don't see any way.
The number of yellow birds must be a multiple of 20 less than 100. So,
if there are 20 yellow,
b+g=80
7b+5g=99
If 40 yellow,
b+g=60
7b+5g=98
If 60 yellow,
b+g=40
7b+5g=97
If 80 yellow,
b+g=20
7b+5g=96
None of those setups has positive integer solutions for b and g.
Hello Sir,
I have a question .
A bird collector wants to buy 100 birds and to spend exactly $100.
1 Blue Bird= 7 dollars
1 Green Bird= 5 dollars
20 Yellow Birds= 1 dollar
How many blue, green, and yellow birds can he buy?
Please sir i'm waiting for your response.
1 answer
1 answer