Bill notes that his apple tree, of height 4 meters, is four-fifths the size of his pear tree. How tall is the pear tree?

pear tree is 5 meters

Step-by-step explanation:

if the apple tree is 4/5 the height of the pear tree and is 4 meters then the unit of measurement is 1 pear tree at 5 meters.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

what shape is