Answer:

Step-by-step explanation:
we know that
Landon finished 1/2 of the test in 3/5 of an hour
so
by proportion
Find out how much of the test will he have done in one hour

Answer:
6
Step-by-step explanation:
See image below:)
Answer:
10:1
Step-by-step explanation:
When you cross multiply the fractions together, you should get 30:3. When you simplify that, you get 10:1 as your answer.
Well an example is 4x3x3 which equals 36 which is even
Answer:
68
Step-by-step explanation:
1) Find the interior angle using relations of angles in straight line I.e ( sum of angles in a straight line is 180 ) and we know the sum of all the interior angle of quadrilateral is 360 degree .
2) Solve further for x.