answer in the box.

The Students' Union need to order some pens and notebooks. How much does it cost to order 1000 pens and 2000 notebooks?

$

Cost Effective Pen
Quantity 100 250 500 1000 2500 5000
Price per pen (cents) 80c 72c 66c 60c 52c 45c

Notebook
Quantity 100 250 500 1000 2500 5000
Price per notebook (cents) 99c 86c 80c

6 answers

1000*0.60 + 2000*0.80 = ?

I'm guessing at the 80c notebook price, but you can use whatever you think it will be.
1000
212
The Students' Union need to order some pens and notebooks. How much does it cost to order 1000 pens and 2000 notebooks?
100000
1.4