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yan [13]
3 years ago
14

A customer has six (6) $1 bills, three (3) $5 bills, four (4) $10 bills, seven (7) quarters, ten (10) dimes, seven (7) nickels,

and nine (9) pennies. The customer buys a pair of shoes for $49.86. Based on the combination of bills and coins the customer has, what are the least number of bills and coins the customer can give the cashier in order to buy the shoes for the exact amount and not require any change back?
Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0
He would use 9 bills, and 5 coins. (fours $10, one $5, four $1. three quarters, one dime, and one penny). I calculated it all to make sure the total came out as 49.86
 
zheka24 [161]3 years ago
7 0

Answer:

A combination of 9 bills and 5 coins is the least number of bills and coins.

Step-by-step explanation:

A customer has six (6) $1 bills, three (3) $5 bills, four (4) $10 bills, seven (7) quarters, ten (10) dimes, seven (7) nickels, and nine (9) pennies.

1 quarter = $0.25

1 dime = $0.10

1 penny = $0.01

1 nickel = $0.05

The customer buys a pair of shoes for $49.86.

So, we can split this as following:

49 can be split as 40+9

So,4\times10 bills =$40

1\times5 bill = $5

4\times1 bill = $4

Total is $49 made from 9 bills.

For the decimal part, we can split as :

3\times0.25 quarters = $0.75

1\times0.10 dime = $0.10

1\times0.01 penny = $0.01

Total becomes = $0.86 from 5 coins.

Hence, a combination of 9 bills and 5 coins is the least number of bills and coins the customer can give the cashier in order to buy the shoes for the exact amount and not require any change back.

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