Question
Luis wanted to buy some flour. He will have $11 left if he buys 4 kg of flour. However, he will need $7 more to buy 7 kg of flour. What is the cost of 11 kg of flour?
4 m

Click button first when a symbol is required. X

Luis wanted to buy some flour. He will have $11 left if he buys 4 kg of flour. However, he will need $7 more to buy 7 kg of flour. What is the cost of 11 kg of flour?