Question
Peter wanted to buy some green beans. He will have $17 left if he buys 5 kg of green beans. However, he will need $7 more to buy 7 kg of green beans. What is the cost of 3 kg of green beans?
4 m

Click button first when a symbol is required. X

Peter wanted to buy some green beans. He will have $17 left if he buys 5 kg of green beans. However, he will need $7 more to buy 7 kg of green beans. What is the cost of 3 kg of green beans?