exam Maths Puzzle Numerical Ability

Please assist with finding the ratio 1/5 to 0.85 as a fraction in lowest terms.

Work Done:

I attempted to have 1/5 = (.85)/x. I got x= 4/17. The choices for answers are 4/15, 4/17, & 4/19. I just to make sure I got the answer correct. Thanks.

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