A long-sleeve shirt has 8 front buttons and 2 cuff buttons.
A short-sleeve shirt has 6 front buttons and no cuff buttons.
The factory which makes 'Slimboy Shirts' uses 10 times as many front buttons as cuff buttons.
What is the ratio of long-sleeve shirts to short-sleeve shirts produced by the factory?
If you liked this problem, here is an NRICH task
which challenges you to use similar mathematical ideas.