Adam can travel
with
of fuel.
Further explanation:
The direct relationship is the relationship between two variables in which one variable increases then the other variable also increases and vice versa. It is also known as the positive relationship.
The examples of the direct relationship is the supply function and speed distance function.
The direct relationship of the variables
as
….. (1)
Here,
are the quantities of the variable
and
are the quantities of the variable
Given:
Adam travelled the distance
with 11 liters of fuel.
Step by step explanation:
Step 1:
The given data can be represented in the table form as,
It can be observed that the data is direct relationship.
Here, 
Step 2:
Now substitute the value
in equation (1) to obtain the value of
.

Now solve the above equation by the cross multiplication method.

Therefore, the value of
.
Thus, Adam can travel
with
of fuel.
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Answer details:
Grade: High school
Subject: Mathematics
Chapter: Comparing quantities
Keywords: Adam, car, fuel, distance, direct relationship, speed, positive relationship, increase, decrease, equation, cross multiplication method, variables, quantity, substitute.