Ed bought a fancy bottle of 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 ?

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.