Mathematics for IGCSE & O level - Sequences (Section 1 - No. 14)
Which sequence is described by the term-to-term rule of 'subtract 5'?
10, 15, 20, 25,...
25, 20, 15, 10,...
5, 10, 15, 20,...
10, 20, 30, 40,...
Vysvetlenie
The sequence decreases by 5.