Jon buys staplers and three hole punches. he spends $112 on them in total. each stapler is $7 and each three hole punch is $12. if he buys 11 items in all how many staplers and three hole punches did he purchase ?

Jon purchased 4 staplers and 7 three hole punchers.

Step-by-step explanation:

Let x be the number of staplers and y be the number of three hole punches purchased by Jon.

Then the equation for total items will be

............(1)

And the equation for the total cost will be

........................(2)

Multiply eq(1) by 7 and then subtract from eq (2), we get

Put y=7 in eq(1), we get x= 4.

Hence, Jon purchased 4 staplers and 7 three hole punchers.

good for u

step-by-step explanation: