Answer:
50.3% of profit.
Explanation:
English muffins are on sale for $1.99 per package, but only if you buy five packages.
Therefore, the price of five packages of muffins on sale is $(1.99 × 5) = $9.95.
There is a $1.00 discount per package on sale.
So, the ordinary price per package of muffins is $(1.99 + 1) = $2.99.
Therefore, the ordinary price of five packages of muffins is $(2.99 × 5) = $14.95.
Hence, the percentage of profit that I will make when I purchase the package of muffins in the sale is
≈ 50.3 % (Answer)