a vcr and tv were bought for ďż˝ 8,000 each. the shopkeeper made a loss of 4% on the vcr and a profit of 8% on the tv. find the gain or loss percent on the whole transaction.
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Method 1
if cost price is same for 2 article, use this formula
(profit or loss + loss or profit) / 2
{8 + ( -4 ) } / 2 = (8-4)/2= 4/2=2% profit
Method 2
(see the image)
if cost price is same for 2 article, use this formula
(profit or loss + loss or profit) / 2
{8 + ( -4 ) } / 2 = (8-4)/2= 4/2=2% profit
Method 2
(see the image)
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