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around 52 dollars (51.8)

Step-by-step explanation:

Ok, so we know that they had a 10% discount so lets apply that to each shirt

after discount (22.5 and 25.2) add them up and you get 47.7 then lets add tax 8.6 percent multiply 47.7 by .086 and you get 4,1022 or 4.1 add them and you get 51.8 or 52

around 52 dollars (51.8)

Step-by-step explanation:

Ok, so we know that they had a 10% discount so lets apply that to each shirt

after discount (22.5 and 25.2) add them up and you get 47.7 then lets add tax 8.6 percent multiply 47.7 by .086 and you get 4,1022 or 4.1 add them and you get 51.8 or 52

554.4

step-by-step explanation:

44*12.6=544.4

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10