Use proportions to solve the following problem. A 30-pound bag of topsoil will cover a surface area of 12 ft squared. a) How m
2 answers:
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Answer:
C. Yes, 3.5.
Step-by-step explanation:
If there is a relationship of direct proportionality for every ordered pair of the table, then the constant of proportionality must the same for every ordered pair. The constant of proportionality () is described by the following expression:
(1)
Where:
- Input.
- Output.
If we know that ,
and
, then the constants of proportionalities of each ordered pair are, respectively:
Since , the constant of proportionality is 3.5.