Answer:
Explanation:
subtract the known amounts (4.15 and 66.009) from 100 and you will get the answer
100 - 4.15 - 66.009 = 29.841
check
29.841 + 4.15 + 66.009 = 100
29.841 must be added to the sum of 4.15 and 66.009 to get a total of 100
4.15 + 66.009 + x = 100
70.159 + x = 100
x = 100 - 70.159
x = 29.841
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