0.003 is 1/10 of 0.03.
Just multiply the 0.003 by 10 and you'll get the result. The easiest way to multiply such numbers is to move the dot one position to the right (it would be 2 positions if multiplying by 100, 3 by 1000 etc.). You can do the same with dividing, just remember to move to the left then.
The Perimeter of Triangle ABC would be 60.
You can solve this by setting up proportions.
Yes, because 3 1/3 times 45 equals 150 which leaves 10 cups left over:
