Okay, can someone please help me with this math question and about like 3 other questions after this?

Bob drove 408 miles using 16 gallons of gas. At this rate, how many miles would he drive using 11 gallons of gas?

Question

Okay, can someone please help me with this math question and about like 3 other questions after this?

Bob drove 408 miles using 16 gallons of gas. At this rate, how many miles would he drive using 11 gallons of gas?

anonymous · Answer

I came up with 280.5

408/16=25.5
25.5*11=280.5

anonymous · Answer

What are the other questions?

anonymous · Answer

280.5 is right(: and the next question is
There is a sales tax of  $6 on an item that costs $88 before tax. The sales tax on a second item is $21 . How much does the second item cost before tax?

anonymous · Answer

Sorry I have to go, bye. Maybe somebody else can help you. Just try to work it out in a way that makes sense.