Annie brought nickels, dimes and quarters to the store. If she has at least one of every coin, they add up to $1.00, and Annie h
as 15 coins total, what is the probability that one coin at random is a nickel? Lots of points, and will give brainliest! Please help!
2 answers:
She has 1 quarter, 1 dime and 13 nickels. So the probability that one coin at random is a nickel is 13/15.
My work:
1$= 100
1 quarter=25
1 dime=10
1+1+13= 15
25×1= 25
10×1= 10
5×13= 65
65+25+10= 100
Answer:
13/15
Step-by-step explanation:
she has at least one of every coin, they add up to $1.00, and Annie has 15 coins total
15-1 nickel -1 dimes -1 quarter=12 coins
$1-0.05-0.1-0.25=$0.6
cuz 12*0.05=0.6
13 nickels + 1 dimes + 1 quarter is the only possible combo.
pro (1 coin is nickel)=no of nickels/total no. of coins
=13/15
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