Step-by-step explanation:
just multiply the 2 together to get the area
it would just be
use the distributive property
unless you want to simplify the answer, this would be the answer
simplified, it would be
Answer is in the attached figure.
The guess-and-test strategy may be made easier by using the choices.
A. 38 sixth graders ----> 57 - 38 = 19 . There are 19 seventh graders. This option already satisfy the condition that the number of sixth graders should be twice that of the seventh graders. There is no need to test for the remaining choices. The answer is letter A.
939
——-
10000
hope this helps
