3/4 of 1/3 =? please show me how to do it

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Pls yall i really need the answer fr fr