At the museum you can buy 3 postcard for 5.40 6 postcards for 10.80 or 9 postcards for 16.20 What is the constant of proportiona
1 answer:
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Answer:
Step-by-step explanation:
In this question, one is asked to multiply a fraction by a whole number, first model the question.
In a situation like this, one multiplies the whole number by the numerator (number) over the fraction.
Simplify,
A common error that people make is that they will multiply both the numerator and denominator by the whole number, this is the same as multiplying the answer by (1), thus it is incorrect.