# Math

posted by .

A bike shop has 8 red, 5 blue, 12 black, and 9 white bikes. Write an expression that shows how many more black bikes than red bikes there are.

• Math -

Let's see. You just said there are 12 black and 8 red.

How many more than 8 is 12?

For the "expression", write down what numbers you subtract to get the answer.

## Similar Questions

1. ### Gil

A bike shop has 8 red, 5 blue, 12 black, and 9 white bikes. Write an expression that shows how many more black bikes than red bikes there are.
2. ### Math

The bike slots in the bike rack are filled. Don's bike is in the middle. And there are 3 bikes placed to the right side of Don's bike. How many bikes are there in the bike rack?
3. ### math

a bike shop has 8 red, 5 blue, 12 black, and 9 white bikes. write an expression that shows how many more black bikes than red bikes there are.
4. ### 3rd grade math (not algebra!)

There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes and 2 less yellow bikes than green bikes. How many bikes of each color are in the rack?
5. ### math

irv has a bike store. he has 32 bikes and also some tricycles, tandem bikes and unicycles. the unicycles and tandem bikes must be the same. there are 57 helmets and 115 wheels. name the bikes.
6. ### Math

Twelve students half bikes. Half of the bikes ate black and one-sixth are silver. The rest of the bikes are other colors. How many bikes are black?
7. ### Logical Reasoning

All of the bikes in the shed are red. Some of the bikes in the garage are blue. All of the bikes locked to the post are green. Mike's bike is red, and Lynn's bike is green. Based only on the statements above, which of the following …
8. ### math

There are a total of 36 bikes.If the ratio of green bikes to blue bikes is 4 to 5,how many of the bikes are blue?
9. ### math

There are 6 cyclists with red mountain bikes and 4 with green mountain bike at the race, what was the ratio of red to green mountain bikes?
10. ### Math

If the ratio of purple bikes to red bikes is 8 to 12 and there are a total of 100 bikes, how many of them are purple?

More Similar Questions