Respuesta :

100% of $10 is another $10.
20% of $10 is $2.

$10+$10+$2 =

$22.
Well another way is like this you turn 120% into a decimal and then you multiply it by ten and you get 10x1.20=12 and then you keep the first number which is ten add it to 12 and
X=$22

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