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The problem asks how many 5-horsepower (hp) motors can be used if a circuit is properly fused for an 8-hp motor.

### Solution:
The circuit is designed to support a total of 8 hp, and each new motor has 5 hp. To find out how many 5-hp motors can be used, we divide the total horsepower capacity of the circuit by the horsepower of each motor:

\[
\frac{8 \text{ hp}}{5 \text{ hp/motor}} = 1.6
\]

Since 1.6 represents less than 2 motors and motors cannot be used in fractions, the circuit can support **only 1 motor** safely. The "8 motors" written in the solution seems incorrect based on the math provided.

Let me know if you need further details or clarifications!

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Here are 5 related questions to think about:
1. How would the calculation change if the motor horsepower was 4 hp instead of 5 hp?
2. What would happen if you try to connect more motors than the circuit can handle?
3. How does the fuse capacity affect the total number of motors you can use?
4. If you had a 10-hp fuse, how many 3-hp motors could you use?
5. How do different types of motors (AC vs. DC) affect fuse requirements?

**Tip**: Always round down to the nearest whole number when determining how many motors can be used, since partial motors aren't feasible in practical terms.

A certain circuit is properly fused for a 5-horsepower motor. If the motor is to be replaced by several 5-hp motors, how many motors will the fuses be able to carry?

Solve the problem of determining how many 5-hp motors can be supported by a circuit designed for an 8-hp motor. Learn the calculation method for dividing horsepower values and understand why only whole motors can be used. Suitable for students in Grades 6-8.

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