The price of an item is $21.75. you give the cashier a $20 and a $10 bill. what is the change?

$8.25

Step-by-step explanation:

We first need to find the amount of money we give the cashier

20+10 = 30

We give the cashier 30 dollars

Our bill was 21.75

30.00

-21.75

We need to borrow

2 10.00

-2 1  .75

We need to borrow

2 9. 10 0

-2 1  .7  5

We need to borrow

2 9. 9  10

-2 1  .7  5

  8 .2   5

We will get $8.25 back from the cashier

the answer i think is a)

step-by-step explanation: