Question

John owns a hardware store. He has at most $1,000 to spend on restocking his pipes. Steel pipes cost $100, and plastic pipes cost $50. He needs at least 5 steel pipes and no more than 10 plastic pipes. identify two possible combinations. HELP ASAP!!!

Answer 1

if there is $1,000 for the pipes, then you can buy 5 steel pipes for $500 and to plastic for 500 too. 

Answer 2

Steels is equal to x and plastic pipes is equal to y

5x + 50y = $1000

6x + 40y = $100