So I have a question, this : Insert 2 grouping symbols to make the equation true

100 + 4 * 6 + 3 - 27 / 9 - 6 = 127

Where do I put the grouping symbols?

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Equation for translation of 2 units left and 9 units down

Lo is leaving from work today at 5:30 p. m. she has errands to run before she meets her friends for dinner at 8 p. m. if it takes lo of an hour to run each errand, how many errands does she have time to run between work and dinner?

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Disadvantage to using tables and diagrams