4km/40min
Multiply numerator and denominator by (60/40):
4*(60/40) / 60min
6 kmph
Let be x the number of new movie, and y the older,
the matrix according to the problem is AZ=B, look at the attached file
Answer:
x3+5=6
2x + 4 = 10
9−3x=0
Step-by-step explanation:
6.5 hora would equal to $195 plus the $45 service charge, it brings the total to $240
Answer:
A) x = 2
Step-by-step explanation:
I am not sure but I think this means...
2x + 5 = 3x - 3
5 = 3x - 3 + 2x
5 + 3 = 3x + 2x
8 = 5x
8/5 or 1.6 = x