Jackie buys a basket for $6, 2 pounds of apples for $3.50 per pound, and 2 pounds of oranges for $3.50 each per pound. The tax for the whole purchase is $1.
Express the tax as a percentage.
well, add up the prices and divide
1.00/(6.00 + 2*3.50 + 2*3.50) = 0.05 = 5%