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1Math 50 : Elementary Algebra - page 6 / 15

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28.

In an isosceles triangle, one angle is 16º less than twice the measure    of  one of the equal angles. Find the measure of each angle.

29.

A bus traveling at a rate of 60 mph overtakes a car traveling at a rate of 45 mph. If the car had a 1.5-hour head start, how far from the starting point does the bus overtake the car?

Rate

Time

Distance

Bus

60 mph

Car

45 mph

30.

Company A rents  cars for $25 per day and 8 cents per mile driven.

    Company B rents cars for $15 per day and 14 cents per mile driven.   

    You want to rent a car for one week. Find the maximum number of

    miles(as a whole number) you can drive a Company B car if it is to

    cost you less than a Company A car.

           Let x be the number of miles driven in one week.

           Use x to express the cost of company A and the cost of company B.

           Cost for company A: _________________________________

          Cost for company B: _________________________________

          Inequality:

31.

Two small planes start from the same point and fly in opposite

    directions. The first plane is flying 40 mph slower than the second

    plane. In 3 hours the planes are 1920 miles apart. Find  the rate of

    the faster plane.

Rate

Time

Distance

First plane

3 hrs

Second plane

3 hrs

Total

1920 miles

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