Solve the Problem. -On a Recent Trip, Sarah's Car Traveled 20 Mph Faster

question 149

Multiple Choice

Solve the problem.
-On a recent trip, Sarah's car traveled 20 mph faster on the first 120 miles than it did on the remaining 80 miles. The total time for the trip was 4 hr. Find the speed of Sarah's car on the first part of the trip.

• A)10 mph
• B)60 mph
• C)35 mph
• D)40 mph

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Definitions:

Neural Tube Defects

Birth defects of the brain, spine, or spinal cord occurring when the neural tube does not close completely.

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A medical condition characterized by a deficiency in the number or quality of red blood cells, which impairs oxygen transport in the body.

Folate

A B-vitamin essential for red blood cell formation and for healthy cell growth and function.

Vitamin E

A group of eight fat-soluble compounds that include tocopherols and tocotrienols, which act as antioxidants protecting cells from damage.