Answer: that’s all it says.
Step-by-step explanation:
Answer:
0 < x < 2
0 < 2x < 4
Divide 2 into all the parts.
0/2 < 2x/2 < 4/2
The x variable should have no coefficient.
Present Day:
Bob:Rob:Difference
3 : 4 : 1
6 : 12 : 2
4 years ago:
5 : 7 : 2