6 x 2/5, 3 2/3 x 2/5, 2/7 x 2/5, 2/2 x 2/5 put from greatest to least

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n