A certain kind of ice cream is packaged in a cube plastic box, with two specifications: 64g and 216g. It is known that: cost = ice cream cost + packaging cost, the cost of 64g is 1.12 yuan, of which the cost of ice cream is 1 cent/g. If the company

If you want to make a profit of 1 yuan per ice cream, how much should a 216g package of ice cream cost?

The speed of an artificial earth satellite is 2.88×10^7 meters/hour, and the speed of a jet aircraft is 1.8×10^6 meters/hour. How much is the speed of this artificial earth satellite than the speed of the jet aircraft?

times? The length, width and height of a rectangular suitcase are 48cm, 36cm and 45cm respectively. Can a folded 70cm fishing rod be put in? Explain the reason through calculation. No, the maximum can be placed is 67cm.

In △ABC, AD is the bisector of ∠BAC. The perpendicular bisector of AD intersects the extension line of BC at F. Please explain the reason why ∠BAF=∠ACF. The angle ADF is an isosceles triangle.