4. Assuming half as many halibut were caught on Sunday as on Monday, how many halibut were caught on Sunday?

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

no

explanation:

you can be freinds, and people but not follow people.