Answer :
Answer:
b = 79.2
Step-by-step explanation:
a varies directly as b
The first step is to calculate the constant k
a = kb
k = a/b
k = 5/18
When the value of a is 22 then the value of b can be calculated as follows
a= kb
22= 5/18 × b
b= 22/ 5/18
b= 22×18/5
b = 396/5
b= 79.2
Hence the value of b is 79.2