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A kilo of RICE A costs ₱18, and a kilo of RICE B costs ₱23. How many kilos of each kind must be mixed to
produce a 10-kilo rice mixture which costs ₱20 per kilo?

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Question:

A kilo of RICE A costs ₱18, and a kilo of RICE B costs ₱23. How many kilos of each kind must be mixed to

produce a 10-kilo rice mixture which costs ₱20 per kilo?

Explanation:

23+×=20×10

23+×200

×=200-23

×=177

Answer:

×=177