Write an expression that represents the perimeter of the football field. Let x represent the length of the football field. Inclu
de parentheses in your expression. Next, write an equivalent expression that does not include parentheses. What property or properties did you use to simplify? Explain. The width of the field is seventy yards shorter than the length.
As a decimal 4/15 = 0.2666667 As a decimal 3/10 = 0.3 [talk about close] 3/10 is bigger.
You could take an average to find something between 4/15 and 3/10 1/2(4/15 + 2/10) 1/2(8/30 + 6/30) 1/2(14/30) 1/2(7/15) 7/30 is between the two given numbers..
