A student receives a weekly allowance that increases in an arithmetic progression
MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
A student receives a weekly allowance that increases in an arithmetic progression. He gets Rs 50 in the first week and Rs 80 in the fifth week.
(i) Determine the common difference of his weekly allowance.
(ii) How much will he receive in the 12th week?
(iii) Find the total allowance he will have received by the end of the 12th week.