A hardware store sells small nails and large nails.
There are small nails sold in packs of 10 large nails sold in packs of 3
On one day
the number of packs of:the number of packs ofsmall nails sold:large nails sold=2:7 \begin{array}{ccc} \text{the number of packs of} & : & \text{the number of packs of} \\ \text{small nails sold} & : & \text{large nails sold} \end{array} = 2 : 7 the number of packs ofsmall nails sold::the number of packs oflarge nails sold=2:7A total of 246 nails were sold.
Work out the number of small nails sold.
