If 16 skirts and 12 blouses cost rs. 6800, while 15 blouses and 20 skirts cost rs. 8500, what will be the cost of blouses and a dozen skirts?
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Step-by-step explanation:
Let as assume cost of 1 shirt be x & that of blouse be y
Given ,
16x+12y = 6,800 =>> 4x+3y = 1700
20x+15y = 8,500 =>> 4x+3y = 1700
4x+3y =1,700
Cost of a skirt = Rs.200
Cost of a blouse = Rs.300
sweetesthoney2010:
from 4x+3y = 1700, how is the answer found? by hit and trail?
yeah
u can also have x = 275 ,y = 200
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