Math Mcqs

If the length L of a rectangle is 3 meters more than twice its width and its perimeter is 300 meters, which of the following equations could be used to find L?

A) 3L + 3 = 300
B) 3L = 300
C) 3L - 3 = 300
D) 2L + 3 = 300
E) 4L = 300
The average of two numbers is 50. Their difference is 40. Write an equation that may be used to find x the smallest of the two numbers.

A) x - 20 = 50
B) 2x + 20 =