Which table represents a proportional relationship that has a constant of proportionality equal to 0.8?
2 answers:
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Answer: 11, 13
Explanation:
The problem is asking us to find two consecutive integers that have a product of 143. If we call x the greatest of the two numbers, the other number can be written as (x-2). Their product must be equal to 143, so we have
Let's solve the equation:
this is a second-oder equation that has two real solutions: x=13 and x=-11. We are not interested in the negative solution, so our solution is x=13. Therefore, the two numbers are
x=13
x=13-2=11