20
QuizMultiple Choice

Modeling with Rational and Piecewise-Defined Functions: Part One — Test

Question 20 • Precalculus

Max can mow a lawn in 45 minutes. Jan takes twice as long to mow the same lawn. If they work together, the situation can be modeled by the following equation, where t is the number of minutes it would take to mow the lawn together. 1 over 45 plus 1 over 90 is equal to 1 over t How long will it take Maxine and Jan to mow the lawn together?

Answer
A
45 point 0 minutes
B
67 point 5 minutes
C
30 point 0 minutes
D
135 point 0 minutes
Previous
Next