Sagot :
Problem:
If y varies directly as x. and x = 2 when y = 6. what is y when x = 30?
a. 10
b. 45
c. 30
d. 90
Solution:
y = kx
6 = k(2)
6/2 = k
k = 3
y = kx
y = 3(30)
y = 90
#CarryOnLearning
Answer:
d. 90
Step-by-step explanation:
y = kx
6 = k(2)
k = 6/2
k = 3
y = (3)(30)
y = 90