Answer:
Follows are the answer to the given point.
Step-by-step explanation:
In point 1:
In point 2:
In point 3:
In point 4:
The area is = the length*the width
2x^2-11x+15= (2x-5)* the width
you have to divide 2x^2 - 11 x + 15 at 2x-5
2x^2-11x+15 | 2x-5
-2x*2+5x x-3
-------------
/ -6x+15
+6x-15
-----------------
/ /
the answer is X-3
Work backwards.
400-48=352
352/4=88
88 years old
400-(4*88)=48