A factory produces 1200 toys in January and plans to increase its monthly production…
MATHEMATICS · Single correct · A Level · Mathematics · Sequences and series · Sequences and series
Problem
A factory produces 1200 toys in January and plans to increase its monthly production by 80 toys. If monthly production is modelled as an arithmetic progression, which ordered pair (a,d) correctly represents the first term and common difference?
(a) (80,1200)
(b) (1280,80)
(c) (1200,80)
(d) (1200,−80)