The number is 438 because if you round 30 to the nearest 10 then it is 40
and the 4 in 438 stays the same.
Features that make this passage informal are:
a.) expression of subjective feelings - It's the way I make them.
c.) incomplete sentences - beat with a wire whisk. Done.
e.) first-person point of view - use of I.
Romulus and Remus are recorded in Roman mythology as the founders of the city Rome. Legend has that the twins were born around 770BC, the sons of a mortal priestess, Rhea Silvia, and the Roman god of war, Mars. The boys were abandoned at birth and thrown into the River Tiber in a cradle
C. The answer could also be A but that would be informal