Question

the ratio of silver to tin an alloy is2:3 find the mass of tin in 425g. alloy

Answer 1

silver : tin = 2 : 3

tin = 3/5 of original

original = 425 g

tin = 3/5 x 425 = 3 x 85 = 255 g

Answer 2

Answer:

33.3%

Step-by-step explanation:

= No. of illiterate people in a country decreased

= ₹ 150 lakh

= final cost of 10 years of decreased = ₹ 100 lakh

= The percentage decrease 10 years = ₹ 150 - ₹ 100 = ₹ 50

= percent decrease in 10 years = ( Decrease in cost ÷ original cost × 100 ) %

= 50 ÷ 150 × 100 = 33.3 %

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