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arlik [135]
3 years ago
5

Danny has 18 coins in a piggy bank; 4 quarters, 3 dimes, 5 nickels, and 6 pennies. she shakes the piggy bank and a coin falls ou

t. what is the probability that the coin is not a penny?
Mathematics
1 answer:
Dima020 [189]3 years ago
5 0
So there are 18 coins in total right?(4 quarters+3dimes+5nickels+6 pennies)
So the number of pennies is 6
So probability of pennies (6) out of the whole coins(18) is 6/18 right?
This can be simplified to 2/6(since the highest common factor is 3 and dividing both by 3 gives you 2 and 6)
So probability of a pennie out of the piggy bank is 2/6
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