Since each table had 7 women and 3 men at each table, that would mean each table has 10 people. Since there are 9 tables he was waiting on, and 10 people at each table, multiply 9 x 10, and you will find that he served 90 people in total.
Answer:
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Step-by-step explanation:
What did each friend pay, where c is the cost of the trip, not including the tip.
1 / 3 ( c+7.00)=11.25
Multiply both sides by 3
c + 7 = 33.75
Subtract 7 from both sides
c = 26.75