Answer to Question #182657 in Linear Algebra for PK NDINI

Question #182657

I have 25 coins, x of them are R5 coins and the rest are R2 coins. An expression in term in terms of x for

the number of R2 coins I have is. . .



1
Expert's answer
2021-05-07T09:15:17-0400

There are 2 sets of coins R5 and R2. The number of coins should add up to 25.

x+yR2=25

yR2=25-x

The number of R2 coins I have is 25-x


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