Question

21. A trader by selling one kind of tea at * 80/kg. makes a loss of 20% and makes a profit of
25% by selling another kind of tea at 3 200/kg. At what ratio these two types of tea should
be mixed so that by selling it at 150/kg. the profit would be 25%?​

Answer 1

cost price of 1st kind of tea:

$\frac{100}{80} \times 80$

$100$

cost price of 2nd kind of tea:

$\frac{100}{125} \times 200$

$160$

3rd type 's cost price

$\frac{100}{125} \times 150$

$120$

ratio will be:3:2