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?

1 Answer
Dec 26, 2016

I got that he is left with 6.1 ounces of mustard after having the 7 hot dogs.

Explanation:

He uses:
1/25xx8.5=0.34 ounces of mustard on each hot dog;

For the total of 7 hot dogs he will use:

7xx0.34=2.38~~2.4 ounces in total.

He will then have left:

8.5-2.4=6.1 ounces of mustard.