A tea merchant blends two varieties of tea costing her Rs.234 and Rs.130 per kg in the ratio of their costs. If the weight of the mixture is 91 kg , then find the weight of each variety of tea?
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Solution
ratio of their cost is 234/130=9/5[on dividing numerator and denomenator by 26]=9:5, total weight of mixture =91kg total ratio =9+5=14 weight of first variety of tea (9/14)x91=58.5kg second variety (5/14)x91 =32.5 or[91-58.5=32.5]