Question

Variable c is 9 more than variable w. Variable c is also 3 less than variable w. Which pair of equations best models the relationship between c and w?

A.        c = w − 9
c = 4w + 3
B.            c = w + 9
c = w − 3
C.      w = c + 9
w = c − 3
D.    w = c − 9
w = 4c + 3

Answer 1

c is 9 more than w is c = w + 9 This equation has to be in the answer. c is 3 less than w is c = w - 3 This equation also has to b in the answer.

Answer 2

The answer will be option B that is [ c = w + 9 ]   and  [ c = w − 3 ].

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

Given that:-

• Variable c is 9 more than variable w.
• Variable c is also 3 less than variable w.

From the given data in the question, the expression will be given as:-

[   c   =   w   +   9   ]  

[   c   =   w   −   3   ]

Therefore the  answer will be option B that is [ c = w + 9 ]   and  [ c = w − 3 ].

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