Asked by Risha
Samantha has 30 coins, consisting of 20 cents and 50 cents, which total $13.50. How many of each does she has?
Answers
Answered by
oobleck
count the coins, count the value
x+y = 30
20x+50y = 1350
Now solve in the usual way
x+y = 30
20x+50y = 1350
Now solve in the usual way
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