Step-by-step explanation:
Let x be the lost number then
x - 2/3 = 1/2
x = 1/2 + 2/3
x = (3 + 4)/6
x = 7/6
theres no link or answer choices but i can give u the definition
A scale factor is a number which scales, or multiplies, some quantity. In the equation y = Cx, C is the scale factor for x.
