Let a and b be rational numbers. Is a – b rational or irrational?
1 answer:
Answer:
Rational
Step-by-step explanation:
Since a and b are rational, a - b has to be rational because we are not dividing them. 2 rational numbers subtracted from each other is always a rational number.
Example: 34 (rational) 23 (rational)
34 - 23 = 11 (rational)
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Step-by-step explanation:
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A) $15 ÷ 40% =
Answer:
20
Step-by-step explanation:
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