The measure of kelly's cell phone is 6 in by 8 in. he wants to put it in a special box that cost $30 per square inch. how much will it cost kelly to put his cell phone in a box?

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start