Question

which expression represents the product of 3 and (5/4n + 1.8)

A. 5.55n
B .9.15n
C. 3.75n + 1.8
D. 3.75n + 5.4

Answer 1

Answer: D


you have to distribute
3 times 5/4n = 3.75n
3 times 1.8 = 5.4
you can’t add both products because they don’t have like terms
3.75n + 5.4