Making Change

Suppose Jake bought a hamburger for $1.30 with a $5.00 bill. He received the following change:

38

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 one-dollar bills, 2 quarters, 1 dime, and 1 nickel.

 

First count the one-dollar 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 twenty-five 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.
ds

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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.