Answer:
r=23
Step-by-step explanation:
sum: quantity obtained by addition
r+13.8=36.8
r=36.8-13.8
r=23
What does it mean for .50 cents less per pound if you don't say there's no cost for the pound...?
The given range is comprised of cards with a value between 3 and 7, inclusive, and there are 4 of each from the available suits. So there are 20 cards that fit the bill.
The probability of drawing 1 such card is

Rational functions are written as fractions. The expression equivalent to
is 
<h3>Rational functions</h3>
Given the rational function expressed as:

This can be further expressed as:

Factorize the denominator to have;

Hence the expression equivalent to
is 
Learn more on rational function here: brainly.com/question/1917026
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do you mean the equivalent fractions?
If so,The equivalent fractions of 4/5 are 8/10, 12/15, 16/20
I hope this is what you mean.