Respuesta :
Sorry I am late, but I think the first answer is wrong.
Answer:
53.34
Step-by-step explanation:
42 x .18 = 7.56
42 x .09 = 3.78
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7.56 + 3.78 = 11.34
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42 + 11.34 = 53.34
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Answer = 53.34
