bananas are on sale for 0.89 per pound including tax. Paul bought 3.2 pounds of bananas how much did he spend on bananas?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Me. i can't figure out this question. give an explanation too. .

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1