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A spinner is divided into four equal sections that are numbered 2, 4, 7, and 9. The spinner is spun twice.

How many outcomes have a product less than 30 and contain at least one odd number?

 

A.5

B.6

C.8

D.10

jojojoestar  Jun 5, 2018
edited by Guest  Jun 5, 2018
 #1
avatar+19475 
0

A spinner is divided into four equal sections that are numbered 2, 4, 7, and 9. The spinner is spun twice.

How many outcomes have a product less than 30 and contain at least one odd number?

 

I assume the answer is 6:

\(\begin{array}{|r|r|r|r|} \hline \text{product} & 2 & 4 & 7 & 9 \\ \hline 2 & 4 & 8 & \color{red}14 & \color{red}18 \\ \hline 4 & 8 & 16 & \color{red}28 & 36 \\ \hline 7 & \color{red}14 & \color{red}28 & 49 & 63 \\ \hline 9 & \color{red}18 & 36 & 63 & 81 \\ \hline \end{array}\)

 

 

laugh

heureka  Jun 5, 2018
 #2
avatar+15 
+1

thankss

jojojoestar  Jun 5, 2018

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