A star bakery have sold 300 cakes on the first week. on the second week , the cakes sold have descrease 7 cakes until 8th weeks . on the following week , the bakery do a sale and the sale increase by 100% than the week before. Calculate the amount have been sold starting from the first week until the sale?

2

Jawapan

2015-10-10T00:10:18+08:00
   300 - 1st week
+ 293 - 2nd week
+ 286 - 3rd week
+ 279 - 4th week
+ 272 - 5th week
+ 265 - 6th week
+ 258 - 7th week
+ 251 - 8th week
2204


2015-10-10T00:16:44+08:00
Cakes have been sold (8 weeks)
= 300 + 293 + 286 + 279 + 272 + 265 + 258 + 251
= 2204 cakes

The following week, the sale increase by 100%
= 2204 + 300
= 2504 cakes 


Sorry my mistake. I didn't noticed the another question. Thanks for your completing answer, Mdzmshh00
no prob :))