Solve. -Two Cars Leave a City and Head in the Same

question 113

Multiple Choice

Solve.
-Two cars leave a city and head in the same direction. After 5 hours, the faster car is 15 miles ahead of the slower car. The slower car has traveled 230 miles. Find the speeds of the two cars.

• A) 30 mph and 33 mph
• B) 46 mph and 49 mph
• C) 43 mph and 46 mph
• D) 48 mph and 51 mph

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Definitions:

Watts

The unit of power in the International System of Units (SI), equivalent to one joule per second.

Peak-to-peak

The difference in voltage between the highest and lowest points in a waveform.

Effective

Producing a decided, decisive, or desired effect; efficiency in producing a desired result.

RMS

Root Mean Square, a statistical measure of the magnitude of a varying quantity, often used to compute the effective value of an alternating current or voltage.