3 years ago

What number produces a rational number when added to 0.25?

Mathematics

2 answers:

MrRissso [65]3 years ago

8 0

Answer:

.625 to get .875

Step-by-step explanation:

what is a rational number

SpyIntel [72]3 years ago

5 0

Answer:

a rational umber because 0.25 is rational

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ycow [4]

The answer to the question provided is 10.

Step-by-step explanation:

☆Cross multiply.

$\frac{2x + 5}{20} = \frac{x + 5}{12} \\ \\ 20(x + 5) = 12(2x + 5) \\ \: \: \: \: \: \: \: \: \: \: 20x + 100 = 24x + 60 \\ \frac{ - 24x \: \: \: \: \: \: \: \: \: \: = - 24x}{ - 4x + 100 = 60} \\ \frac{ \: \: \: \: \: \: \: \: \: \: \: \: \: - 100 = - 100}{ \frac{ - 4x}{ - 4} = \frac{ - 40}{ - 4} } \\ x = 10$