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080-P4-2

3. The table below shows input and output numbers.

Input Output
3 12
4 16
5 20
6 24

Which of the following shows the rule for the table?

a. add 9
b. subtract 9
c. multiply by 4
d. divide by 4

4. Ryan bought 5 pencils each day, and he had 35 pencils in total

after several days. Which of the following could be used to find
how many days it took Ryan to buy a total of 35 pencils?

a. 35 5
b. 5 35
c. 5 35
d. 5 35
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