First one single solution second no solution 3rd one single forth one infinity and last 2 are single and infinity
1 and 19, 19 is a prime number.
First, you have to multiply 12×24.50=$360.00. Next, you have to subtract 372.75-360.00=12.75. Then, you have to divide 12.75÷5=$2.55. So in conclusion, each lightsaber costs $2.55.