Agroup of 27 students in sixth grade rode their bicycles to school one day. this number represents 20% of sixth grade students at the school. what is the total number of students in sixth grade at this school?

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.

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?