Ed bought a bottle of fancy mustard that holds 8.5 ounces. Ed puts about 1/25 of the mustard on each hot dog he eats. How much of the mustard is left in the bottle after he eats 7 hot dogs

Given:

8.5 ounces of mustard

about 1/25 of the mustard on each hot dog

Required:

Number of mustards left after he eats 7 hot dogs

Solution:

(1/25) (8.5 ounces) (7 hot dogs) = 2.38 ounces

8.5 ounces - 2.38 ounces = 6.12 ounces

There are 6.12 ounces of mustard left.