Arange of a set of numbers is 30. the highest number in the set is two tiples larger than the lowest number in the set. which
set of algebraic equations will solve for the highest and lowest numbers in the set?
a)
y - x = 30, y = 2x
b)
y + x = 30, y = 2x
2y - x= 30, 2x = y
2y + x = 30, 2x + y