Answer:
16
Step-by-step explanation:
1 1
1 2
1 3
1 4
2 1
2 2
2 3
2 4
Three and four are done exactly the same way. the total is 16 ways.
50
(2+3=5) +5 = 10
6+7 = 13
8+9=17
10
Then add them all together:
10+13+17+10=50
Answer: 300,000
A
3
x = 3