Answer: If Jamie was charged $249.93. Then the number of tree dazzlers will be 6.
Explanation: y = mx + c Where m is the rate of the line and c is the y-intercept of the line. This year, the price of the updated Tree Dazzler is just $39.99 a piece plus $9.99 shipping and handling. Let 'x' be the number of Tree Dazzlers and 'y' be the total cost. Then the equation is given as, y = 39.99x + 9.99 If Jamie was charged $249.93. Then the number of tree dazzlers will be given as, 249.93 = 39.99x + 9.99 x = 6 If Jamie was charged $249.93. Then the number of tree dazzlers will be 6.