Acustomer buys $12.42 in merchandise and gives the cashier a ten dollar bill, a five dollar bill, a dime, a nickel and two pennies. her correct change is:

The correct change is $ 2.75.

Step-by-step explanation:

Given,

The selling price = $ 12.42,

Also, the amount of money given by customer = $ 10 + $ 5 + 1 dime + 1 nickel + 2 pennies,

= $ 15 + $ 0.1 + $ 0.05 + $ 0.02  ( 1 dime = $ 0.1, 1 nickel = $ 0.05 and 1 penny = $ 0.01 )

= $ 15.17

Hence, the correct change =  The amount of money given by customer - Selling price

= $ 15.17 - $ 12.42

= $ 2.75

step-by-step explanation: