Y and x have a relationship that is directly proportional;
y = 7 when x = 2
when y = 21 and x = ?
y : x
7 : 2
if we multiply 7 wit 3, the answer is 21
3 x 7 : 2 x 3
21 : 6
So, when y = 21, x = 6
Answer:
A. x is less than or equal to 1 OR x is greater than or more than 2
Answer:
no. because if you divide 4/15 you will get 0.266666.....