150 cc per 4 hours divide by 4 equals 37.5 cc per hour
Answer:
See below
Step-by-step explanation:
5x + y = 9 re-arrange to y = 9-5x
use this value of 'y' in the second equation:
10x - 7(9-5x) = - 18
solve for x = 1
sub in this value of 'x' into one of the equations to compute 'y'
5 (1) + y = 9
y = 4
Answer:
1) 1.05 2)333 3) 1.81
Step-by-step explanation:
Hope this helps :)