Answer
1/7
Work Step by Step
We find the ratio of thanksgiving cards to graduation cards by dividing the number of thanksgiving cards by the number of graduation cards:
$$ =\frac{10\ million}{70\ million} \\ =\frac{1}{7}$$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 5 - Ratio and Proportion - 5.1 Ratios - 5.1 Exercises - Page 336: 31
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