Question

The value of y varies directly with x. If x = 4, then y = 32. What is the value of x when y = 128?

Answer 1

Answer:

32/4= 8  (there is a factor of 8 between x and y at all times)

128/8 = 16  (divide y by 8 to find out what x is.

x= 16 when y= 128

Step-by-step explanation: