It is called a rate.
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Answer:
60
Step-by-step explanation:
First we divide 5 from 20 then we get 4 so 4 x 15 would be 60.
Hi there!
The correct answer is Rational Number.

:-
Rational Number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator " p " and a non-zero denominator " q ".
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Answer:
23- 2x
Step-by-step explanation:
Twice a number is 2 and "x" represents "a number"
Key words: Twice, Difference (subtraction)