Please help me btw I left a picture

Estimate each quotient. show the compatible numbers you use. 0.00438 ÷ 0.00072

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.

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100