Asked by Anonymous
Thabo has 32 coins in a jar. Some are 50c, and 20c. The total value of the coins is R10. Find the number of each coin in the jar.
Answers
Answered by
oobleck
Let
x = 20c coins
y = 50c coins
Then you know that
x+y = 32
20x+50y = 1000
Now just solve for x and y as usual
x = 20c coins
y = 50c coins
Then you know that
x+y = 32
20x+50y = 1000
Now just solve for x and y as usual
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