Problema Solution
Trevor has written 51 songs. Each week, he writes 3 more songs. Write an equation representing the number of songs s that Trevor has written at the end of w weeks.
Answer provided by our tutors
beginning: 51 songs
end of 1st week: 51 + 3 songs
and of 2nd week: 51 + 3 + 3 = 51 + 2*3 songs
and of 3rd week: 51 + 2*3 + 3 = 51 + 3*3 songs
and of w weeks: 51 + 3w songs