Theta taa factroy produces equal number of 1/4kg packets and 1/2kg packets of tea. How many 1/4kg packets were produced from a totol of 45 tonnes of tea.

Answer 1

number of 1/2 lb packs ---- x
number of 1/4 lb packs ---- 2x

x + 2x = 45000 (1000 kg = 1 tonne)
3x = 45000
x = 15000

so .....