1. Mr. and Mrs. Obama are checking out their daughter's college dorm room. Mr. Obama estimates the height of the chair to be 46 inches. Mrs. Obama estimates the length of the bed to be 200 inches.
A picture of dorm room with actual measurements is below:

I uploaded the answer to a file hosting. Here's link:

is.gd/qKzpBU

there will be 35 boys in each team. : )

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.