The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total help plz

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What is the range for 31,39,29,34,37,24,36,33,34,28

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.