Mathematics
Grade-8
Easy
Question
A taxi charges $1 for every mile; the train costs $2 for every 5 miles. The difference between the charge of taxi to charge of the train, for a distance of 50 miles, is
- $- 20
- $20
- $-30
- $30
Hint:
Use cross-multiplication method and differentiate the charge of the train to the taxi in order to obtain the answer.
The correct answer is: $30
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