# math

posted by .

Im having a problem understanding this problem so I cant solve it.

Bruce knows how many key are on his keyboard, but some don't work. How does Bruce find the number of keys that work? write to explain

• math -

Subtract the keys that don't work from the total number of keys.

## Similar Questions

1. ### Math

Bruce needs 30 five-foot pieces of rope for a school project. The hardware store sells rope by the yard. How many yards of rope will Bruce need to purchase?
2. ### communication

Angelo says, "I want to open the window while we work in here." Bruce says, "I want to keep the window closed." Jenna then asks Angelo, "Will you be satisfied if we have the window open?
3. ### Math

Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s …
4. ### Physics

Bruce stands on a bank beside a pond, grasps the end of a 20.0-m-long rope attatched to a nearby tree and swings out to drop into the water.If the rope starts at an angle of 35.0 degrees with the vertical, what is Bruce's speed at …
5. ### Math

Roger knows how many keys a piano has. He knows that some of the keys are broken. How can he find the number of keys that work
6. ### Math

Roger knows how many keys a piano has. He knows that some of the keys are broken. How can he find the number of keys that work?