Question

the cost of a plastic sheet varies directly with its length . if the cost of 22cm of a plastic sheet is $16.50 ,find the length of the same sheet if its cost is $26.25​

Answer 1

Answer:

When two variables are connected to each other in such a way that if we increase the value of one variable, the value of other variable also increases and vice — versa. Similarly, if we decrease the value of one variable, the value of other variable also decreases and vice — versa. Therefore, if the ratio between two variables remains constant, it is said to be in direct variation.

Answer 2

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