In a theater, there are 4 long rows of chairs, each with an equal number of chairs. there are 5 short rows of chairs, each with an equal number of chairs. on a crowded day, the ushers added 2 chairs to each long row and 3 chairs to each short row.
if x represents the number of chairs in each long row and y represents the number of chairs in each short row, the total number of chairs in the theater is given by the expression 4(x + 2) + 5(y + 3). an equivalent expression
a.4x + 5y + 5
b.8x + 15y
c.9x + 23
d.4x + 5y + 23