Answer:
We can compute simple interest by finding the interest rate percentage of the amount borrowed, then multiply by the number of years interest is earned. Another type of interest calculates interest on both the money initialy deposited as well as the interest money earned, and is called compound interest.
Step-by-step explanation:
hope this helps
The literal equation for x is
given that 
The subject of a formula is a way of representing a variable in terms of other variables.
Given the equation

Factor out the common variable x

Divide both sides by 4+5y

This shows that the literal equation for x is 
Learn more here: brainly.com/question/21140562
Im confused what the question is...
Answer:
54
Step-by-step explanation:
There's 27 2's, so 27 * 2 = 54. Note that multiplication exists for a reason: to avoid expression's where there's an absurd number of +'s.