A shop sells small chocolate bars and large chocolate bars.
There are small chocolate bars are sold in packs of 4 large chocolate bars are sold in packs of 9
On one day
the number of packs of:the number of packs ofsmall chocolate bars sold:large chocolate bars sold=5:2 \begin{array}{ccc} \text{the number of packs of} & : & \text{the number of packs of} \\ \text{small chocolate bars sold} & : & \text{large chocolate bars sold} \end{array} = 5 : 2 the number of packs ofsmall chocolate bars sold::the number of packs oflarge chocolate bars sold=5:2A total of 190 chocolate bars were sold.
Work out the number of small chocolate bars sold.
