Question

Express 0.257 bar on 7 in the form of p/q where p and q integers and q≠0.

Answer 1

here is your solution....

let x= 0.257(bar)

100x = 0.257(bar)×100= 25.7(bar)....(1)

1000x= 0.257(bar)×1000=257.7(bar)......(2)

now subtract (2) from (1)....

1000x-100x =257.7 (bar)-25.7(bar)

900x=232

x= 232/900

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Answer 2

Step-by-step explanation:

let x=0.257(bar)

100x = 0.257(bar)×100=25.7(bar)

1000x = 0.257 (bar) ×1000=257.7(bar)

1000x-100x=257.7( bar) -25.7(bar)

900x=232

x=232/900