First you plug in the missing values
y=3 x=4 z=2
3÷2×4-2
than you solve
the answer is 4
There are 2 ways to turn a number into a percent...
(1) move the decimal 2 spaces to the right....0.3 = 30%
(2) multiply by 100....0.3 x 100 = 30%
You would have 6cm as the width because length times width = area
The answer is 20
Hope this helps
