You paid 15 cent because 3 divided by 20 is 0.15
The two numbers are 31 and 35.
Step-by-step explanation:
Let,
one number = x
2nd number = y
According to statement;
x+y=66 Eqn 1
y=x+4 Eqn 2
Putting y=x+4 from Eqn 2 in Eqn 1;

The two numbers are 31 and 35.
Keywords: Linear equation, Addition
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Answer: Slope: -1.6
Use the slope formula
substitute point values in the formula
(10 -2)
- like this: m = ----------
(1 - 6)
Simplify each other side of the equation
- simplified: 8/-5
m: - 1.6