Tom got 20 words correct and 10 definitions correct
<h3>
Equation</h3>
An equation is an expression used to show the relationship between two or more numbers and variables.
Let x represent the number of correct spelling word, and y represent the number of correct definition. Hence:
2x + 4y = 80 (1)
Also:
x + y = 30 (2)
The solution to the equation is:
x = 20, y = 10
Tom got 20 words correct and 10 definitions correct
Find out more on Equation at: brainly.com/question/13763238
Answer: 1200
2h -100
24h-x
2x= 2400
x=1200
Step-by-step explanation:

2/3 or 4/6 chance of the tv to work 1/3 or 2/6 chance it won't work.