Question

My maths book sold 53,290 copies in the year 2007 . In both 2008 and 2009 ,the number increased by , 5,800 . How many copies were sold in 2009 ?

Answer 1

Answer:

64,890 is no. of copies sold in 2009

Answer 2

Answer:

in 2007 copies are 53, 290

in 2008 and 2009 increased by 5, 800

means after 2 years=2×5,800=11, 600

so in 2009 year copies=53, 290+11,600=64,890