Question

my mother bought 8 bottles of juice from a shop. what is the cost of 8 bottles if each bottle costsRs.49?How much money will the shopkeeper return to my mother if she give Rs. 500 to him?

Answer 1

1 bottle=49rs
8 bottles =8×49
=392rs
500-392
108rs
shop keeper will return 108 rs

Answer 2

If 1 bottle =  49 rs Then for 8 bottle = 49×8=392 If total money in hand is 500 then shopkeeper has to give back rs =500-392=108