I) 4 Gallons
II) $77
Step-by-step explanation:
30km 1 gallon
420km ?
420 ÷ 30 = 14
? = 40
So, 4 gallons more will be needed to complete the journey.
1 gallon $5.50
14 gallon $?
14 x $5.50 = $77
The cost of the petrol is $77
Answer:
Option 1.
Step-by-step explanation:
It's option 1.
You divide (b/a) by 2 then square it, then subtract this from both sides of the equation. It is the process of Completing the Square.
The second option is correct!
What is the formula
Well I think it is 661.5
The fact that the angles in a triangle add up to 180 indicates that it is actually a square). There are also four right triangles, each with a base and a height. The Pythagorean Theorem is reached when a2 + b2 = c2.
