The sum of 4 times a number and 7 is equal to 5

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Pl approximate the value of 13−−√ to the nearest tenths place. plot the approximation on the number line.

The 7th grade has collected $200 for a field trip that would cost $600. the teachers decided to ask $50 from additional students to cover the cost. how mny students must pay to cover the cost ? a 16studentsb 80studentsc 160studentsd 8students show work