Wetzel

Math 101

Test #1 Solutions

 

1.)  x = -5                                                        2.)  x = 7

 

3.)  x = -11                                                      4.)  x = 1

 

5.)  Infinitely Many Solutions                             6.)  Infinitely Many Solutions

 

7.)  x = 35                                                        8.)  x = 30,000

 

 

9.)                                            10.)        

 

11.)           

 

 

12.)  width = 16 ft.

        length = 9 ft.

 

13.)  r = 1153.8 mph

 

14.)  $2000 invested at 7%

        $4000 invested at 9%

 

15.)  25 gal. of 10% solution

        75 gal. of 30% solution