Question

Given that Sierra makes three times what Shelly makes, and Gavin makes one quarter of what Sierra makes, it follows that, if Shelly makes $400/week that Gavin makes $300/week.   

Question 60 options:

	Inductive, sound
	Inductive, invalid
	Deductive, unsound
	Deductive, cogent
	Inductive, strong
	Deductive, valid

Answer 1

Deductive , Valid

Amount makes by Shelly = $400/week in that case Sierra makes 3 time what Shelly makes so amount makes by Sierra = 3*$400 =$1,200/week and Gavin makes 1/4th of what Sierra makes = $1,200*1/4 = $300/week.

In the question also it mentioned Gavin makes $300/week, Which is correct.

" In a deductive argument, the premises are intended to provide such strong support for the conclusion that, if the premises are true, then it would be impossible for the conclusion to be false. An argument in which the premises do succeed in guaranteeing the conclusion is called a deductively valid argument. I

Here is a valid deductive argument e

It's sunny in canada. If it's sunny in canada, then he won't be carrying an umbrella. So, he won't be carrying an umbrella.