Question

Nasleen saved rs 10 in her first week of the year.She increased her weekly savings by rs2 each week. In how many weeks will her savings be Rs 580​

Answer 1

Answer:

answer is 286

Step-by-step explanation:

a = 10

d = 2

tn = 580

tn = a+(n-l)d

580 =10+(n-1)2

580 = 10+2n-2

580-8=2n

572=2n

n=572/2

n=286