Y can be 4 because:
2y = 2*4 = 8
48 - 8 = 40
After that we calculate using 5x:
5x = 40
x = 40 / 5
x = 8
The same logic and numbers can apply to the second equation:
2y = 2*4 = 8
32 - 8 = 24
Now we work with 3x:
3x = 24
x = 24 / 3
x = 8
Answer:
Hope it helped,
Happy homework/ study/ exam!
The answer will be of the kilometers daily will be 153.6 Hopes this helps. :)
I believe the answer would be a.