Making Change
Suppose Jake bought a hamburger for $1.30 with a $5.00 bill. He received the following change:
Let's check whether he received the right amount of change.
Subtract the cost of a hamburger from the amount that Jake paid.
4  10  
$ 5  .  0  0  

$ 1  .  3  0 
$ 3  .  7  0 
So, Jake should get $3.70 in change.
Now, count the amount of change Jake received.
There are 3 onedollar bills, 2 quarters, 1 dime, and 1 nickel.
First count the onedollar bills by counting up by one three times:
$1.00, $2.00, $3.00
Now, to count the quarters, start at $3.00 and count up by twentyfive cents two times:
$3.25, $3.50
To count the dimes, start at $3.50 and count up by ten cents one time:
$3.60
To count the nickels, start at $3.60 and count up by five cents one time:
$3.65
Jake received $3.65 in change.
So, Jake did not receive the right amount of change.
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Help
The correct answer is
Remember :
The smallest number is the one that comes first while counting.
Solution :
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.