Question

A grocer purchased 50 kg salt at the rate of 8 per kg and mixed it with 70 kg
salt purchased at the rate of 5 per kg. At what rate per kg must he sell the
mixture to make a profit of 20%?​

Answer 1

Answer:

8th

Maths

Comparing Quantities

Prices Related to Buying and Selling

A groces purchased 50 kg sa...

MATHS

A groces purchased 50 kg salt at the rate of Rs.8 per kg and mixed it with 70 kg salt purchased at the rate of Rs.5 per kg. At what rate per kg must he sell the mixture to make a profit of 20%?

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ANSWER

Cost price of 50kg is 8×50=400Rs.

Cost price of 70kg is 5×70=350Rs.

Total weight of salt 50+70=120kg

Total cost =400+350=750Rs.

Cost of 1kg is

120

750

=

3

25

=8.33Rs

Profit %=

CP

Profit

×100=20

8.33

Profit

×100=20

Profit=20×

100

8.33

=1.66

So He need to sell 1kg of salt for 8.33+1.66=10Rs.