If a box of 100 pencils costs 4.75, what should you expect to pay for 225 pencils

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

The system of equations graphed below has how many solutions?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)