SOLUTION: A stationery company sells two types of notepads to college bookstores, the first wholesaling for 50¢ and the second for 70¢. The company receives an order for 550 notepads, togeth

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Question 597990: A stationery company sells two types of notepads to college bookstores, the first wholesaling for 50¢ and the second for 70¢. The company receives an order for 550 notepads, together with a check for $311. If the order fails to specify the number of each type, how should the company fill the order?
Answer by josmiceli(9647) (Show Source):
You can put this solution on YOUR website!
Let = number of 50 cent notepads ordered
Let = number of 70 cent notepads ordered
--------
given:
(1)
(2)
-----------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)

and, since
(1)
(1)
(1)
370 50 cent notepads were ordered
180 70 cent notepads were ordered
check:
(2)
(2)
(2)
{2)
OK