$30 because you are taking away 20% of $30 and then adding back that 20%.
14.9 is rounded to 15 or if you are going by tens then it is 20
First step.Addition error
Step-by-step explanation:
Given the equation as;
18.5 w + 6.5 w - 2.8 w = 149.1 add like terms
22.2w=149.1
22.2w/22.2=149.1/22.2
w=6.72
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Addition in decimals:brainly.com/question/9148823
Keywords: equation, error
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More information? I don't think you finished the question?
