6. Paula is now 18 years old and Monica is 14 years old. How many years ago was Paula twice as old as Monica? а. 5 b. 7 с. 8 d. 10

Algebra and Trigonometry (MindTap Course List)
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ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 5CT: A commuter must travel from Ajax to Barrie and back every day. Four roads join the two cities. The...
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6. Paula is now 18 years old and Monica is 14 years old. How many years ago was Paula twice as old as Monica?
d. 10
с. 8
7. It takes Butch twice as long as it takes Dan to do a certain piece of work. Working together they can do the work in six days.
а. 5
b. 7
How many days would it take Dan to do it alone?
а. 9
с. 11
8. An airplane flying with the wind, took two hours to travel 1000 km and two and a half hours in flying back. What was the wind
b. 10
d. 12
velocity in kph?
a. 50
b. 60
с. 70
d. 80
hetwer
Transcribed Image Text:6. Paula is now 18 years old and Monica is 14 years old. How many years ago was Paula twice as old as Monica? d. 10 с. 8 7. It takes Butch twice as long as it takes Dan to do a certain piece of work. Working together they can do the work in six days. а. 5 b. 7 How many days would it take Dan to do it alone? а. 9 с. 11 8. An airplane flying with the wind, took two hours to travel 1000 km and two and a half hours in flying back. What was the wind b. 10 d. 12 velocity in kph? a. 50 b. 60 с. 70 d. 80 hetwer
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