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Answer:
25%
Step-by-step explanation:
We need to first convert 3/5th to percentage so we are only dealing with percentage.
3/5 doing division would give us 0.6
Multiply that by 100, we get
0.6 * 100 = 60%
Thus, now we can say:
Walking = 15%
Driving = 60%
The remaining time is cycling. How much?
15 % + 60 % + cycling = 100%
75% + cycling = 100%
Cycling = 100 - 75 = 25%
Let the additional weight that can be added be = x
Current weight of the bag = 38 pounds
Total weight can be = 50 pounds
The equation becomes:


Hence, a weight of 12 pounds cab be added to the current wight.
The scale factor is 5/3
9(5/3) = 15