Fill in the blanks: if they have same simplest form
16. Two rational numbers are said to be
17. The ratio of 6 kg to 400 g is
18. Any expression with two terms is called a
19. Area of a triangle
20. The angle by which the object rotates is the
(1x5=5)​

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

How is working backward similar to solving an equation?