Please help me with this

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?

Write the equation in logarithmic form m^x=n

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is