A shop is sending out a bill for an amount less than #100.the accountant interchange the two digits and so overcharage the customer by #45,given that the sum of the two digits is 9.find how much the bill should be?.thanks

I am bob

I am bob bob is cool

Bob is supu cool and cool bob is cool bob and cool supu bob

I am cool bob

Cool bob😎

Cool bob 👎 your submit

Cool bob not like

Supu cool bob is cool

Bob is cool he 👍 all of his submit cuz cool bob is cool

Coolest person on the worled yaaaaaaaaaa
Cooler than your submit yaaaaaaaaa
Bob go cuz he is supu cool

Supu cool bob 😎👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍

I liked all your submissions so much cool bob!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Bob is like so awesome and super cool 😎😎😎😎😎😎😎😎!!!!!!!!!!!!

BOB IS SO COOL 😎 HE IS SO AWSOME

We like bob and bob is cooooooool 😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎😎!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I know I am so coooool 😎😎😎😎😎😎😎😎😎😎😎😎😎 I am also awesome and amazing and raaaaad

And I like pizza rolls yaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa!!!