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2 answers:
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Answer:
Step-by-step explanation:
(1, 5.5) ; (2, 9)
Slope =
= 7/2
m = 7/2 ; (2 , 9)
y - y1 =m(x -x1)
Multiply the equation by 2
There are 20 cassettes.
Step-by-step explanation:
Given,
Ratio of cassette to compact disc = 10:3
Let,
the number of cassettes = 10x
Number of compact disc = 3x
According to given statement;
the number of cassettes is 10 less than 5 times the number of compact discs.
10x = 5(Number of CD) - 10
Dividing both sides by 5
Number of cassettes= 10x = 10(2) = 20
There are 20 cassettes.
Keywords: variable, ratio
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