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konstantin123 [22]
3 years ago
5

What are the extremes of the following proportion 3/15 = 12/60

Mathematics
2 answers:
zalisa [80]3 years ago
7 0
In a proportion there are letters assigned to represent various numbers. a, b, c, and d.

a, b, c, and d are 4 non-zero rational numbers that are terms of proportion.

a/b = c/d  or a:b = c:d

a and d are the end terms or known as the extremes.
b and c are the middle terms or known as the means.

With this information, we can gather that the extremes of the following proportion are 3 and 60.

3/15 = 12/60 ; a/b = c/d
a = 3 ; b = 15 ; c = 12 ; d = 60

3 and 60 are the extremes
15 and 12 are the means
Anestetic [448]3 years ago
6 0

The answer is A. 3 and 60 are the extremes

B. 15 and 12 are the means

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Answer:

p+q = 10...... 1

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Step-by-step explanation:

The question is incomplete. Here is the complete question.

A student has 10 coins in her pocket that have a value of $0.85. The coins are either nickels or dimes. If each nickel costs $0.05 and each dime costs $0.10. Which system of linear equations represents this scenario?

Let the number of nickel in the pocket of the student be p

Let the number of dime in the pocket of the student be q

If there are 10 coins in her pocket, then the total coins in her pocket will be represented by the equation;

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If each nickel costs $0.05, p nickels will cost $0.05×p = $0.05p

If each dime costs $0.10, q nickel will costs $0.10×q = $0.10q

Total amount will be $0.05p+$0.10q

Now if the total coins in her pocket has a value of $0.85, then the we will equate $0.05p+$0.10q to $0.85 to give our second linear equation as:

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Therefore, the system of linear equations represents this scenario are:

p+q = 10...... 1

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