Solution,
Let $ 44 is equivalent to £ x
Given,
$30 = Rs 2160
Rs 1980 = £15
£ x = $ 44
Now using chain rule,
30 * 1980 * x = 2160 * 15 * 44
∴ x = 24
Note: To use chain rule currencies in LHS must be all different and on RHS as well !
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Grade -10 (SEE) Math
Currency Conversion using chain rule
If $30 = Rs 2160 and £15 = Rs 1980, how many pounds can be exchanged for $44 ?
2 Answers
Tribhuvan University > Institute of Science and Technology > B.Sc. (CSIT)
Ans :- 24 pounds
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