Question 1129482
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What do you need help with on this?  Or are you just wanting someone else to do the thinking for you?<br>
Consider each outcome of the first spin, and find which outcomes on the second spin satisfy the conditions.<br>
If the first spin is 9, then the second has to be even; and 9*4 is more than 20.  So the only sequence of spins with first spin 9 that satisfies the conditions is (9,2).<br>
Do the similar analysis if the first spin is 4, 3, or 2....<br>
Then count the total number of sequences that satisfy the conditions.