a=c divided by7

b=a multiple of 5 less than 20
c= b divided by 6
d= a x c

a = b=

c= d=

To find the values of a, b, c, and d, we can follow the given equations step by step.

1. Let's start with the first equation:
a = c divided by 7

This means that a is equal to c divided by 7. We need to know the value of c to find a.

2. Now, let's move to the second equation:
b = a multiple of 5 less than 20

This means that b is equal to a number that is a multiple of 5 and less than 20. Since we do not know the value of a yet, we cannot find the value of b here.

3. Moving on to the third equation:
c = b divided by 6

This means that c is equal to b divided by 6. Since we do not know the value of b yet, we cannot find the value of c here.

4. Finally, let's look at the fourth equation:
d = a x c

This means that d is equal to the product of a and c. Since we do not know the value of a or c yet, we cannot find the value of d here.

To determine the values of a, b, c, and d, we need more information. Specifically, we need to know the values of b and c to find a, and the values of a and c to find d.