Sagot :
ok soo if the 10 items avg $3.60 each then your total for the ten items was $36. if we know that the cost of 8 items is $30 then there is 6 dollars left. nd if we no that the remaining 2 are the same price then each should be $3
[tex]\frac{30+2x}{10}=3.60\ \ \ \ /\cdot10\\\\30+2x=36\ \ \ \ /-30\\\\2x=6\ \ \ /:2\\\\x=3\ (\$)[/tex]
[tex]Answer:\$3\ (4)[/tex]
[tex]Answer:\$3\ (4)[/tex]