grape raisin

How much longer does it take an automobile to travel one mile at 20 miles per hour than at 30 miles per hour? a) 1 minute b) 10 minutes c) 20 minutes d) None of these answers

The state tax rate on 1973 incomes was 2% on the first $1000 of income subject to tax and 3% on the next $2000 or any part thereof. By special law, the state allowed a deduction of 1/4 of the tax computed on the above schedule. In 1973, $1800 of Mr. Brown...