Question

Which expression represents the product of 3 and (5/4n + 1.8)? (SHOW WORK PLEASE)
A) 5.55n
B) 9.15n
C) 3.75n + 1.8
D) 3.75n + 5.4.

Answer 1

This would be  distributive property, so multiply 3 by each term in the parentheses: 
3*(5/4n) + 3*1.8 = 3.75n + 5.4, so your answer is D