Tyler says he invented a number puzzle. He asks Clare to pick a number, and then asks her to do the following: Triple the number
Subtract 7
Double the result
Subtract 22
Divide by 6
Clare says she now has a -3. Tyler says her original number must have been a 3. How did Tyler know that?

c

step-by-step explanation:

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.

110

step-by-step explanation:

based on the question i am guessing that it is a typo for abc