The smiths spend 11% of their budget on entertainment. their total budget this year is $2,000 more than last year, and this year they plan to spend $4,950 on entertainment. what was their total budget last year?

The taxi fare in gotham city is $2.40 for the first 1 2 12 mile and additional mileage charged at the rate $0.20 for each additional 0.1 mile. you plan to give the driver a $2 tip. how many miles can you ride for $10?