The perimeter of the rectangle is equal to the doubled sum of the sides, and the area is equal to the product of the sides. So we have the following equation
3 x 2x = 2(3 + 2x)
6x = 6 + 4x
2x = 6
x = 3
I believe its the second one.......the last one is eliminated based on the y intercept......
plug the x and y into the equations and see which side equals.....
Answer:
35x^2 - 112x - 364
it's probably wrong since I've only expanded the brackets
Answer: 64 days
Step-by-step explanation: 1/8 every day, so he has 1 bag per 8 days, 8 bags, so 8x8 = 64 days.