One million = 1,000,000
So Three million is 3,000,000
One thousandths is 0.001
So nine thousandths is 0.009
So three million and nine thousandths is 3,000,000.009
The last one the reason is 2 is how much weeks so it’d be 2x - 126 cause that’s how much she wants to lose
If you look at the attached graphic, you will see that the altitude (or height) of an equilateral triangle is:
Height = side length * sq root (3) / 2
Area = side^2 * sq root (3) / 4
For your first answer 2=x+5/17 your second answer is 29. This is because "x" is the number that you need to bake which is 29. Therefore, 31/17=2