Question

Solve all the problems

Answer 1

Answer:

14) equation 1 multiplied by 2 we get y coefficient as 8

15) ={1000/60×60}

=10/36

= 5/18 is you answer

16) Distance= time × speed

17) (240+10)/60 4.83 hours or 4 1/6 hours

18). X - 7

19) 1/2

20) 7n-27=16n-90

16n-7n= 90-27

9n= 63

n= 7

21)