The first sequence goes down in tens and the second sequence goes down in 77s
correct
1. The number goes up 10 and then down 10.
2. -77 every time.
517,507,497,487,477,467,457,447,437,427,417,407. 689,612,535, 468,
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The first sequence goes down in tens and the second sequence goes down in 77s
correct
1. The number goes up 10 and then down 10.
2. -77 every time.
517,507,497,487,477,467,457,447,437,427,417,407.
689,612,535, 468,