Question

Which expressions are equal to the expression –2.7 – 16.4?

Choose all answers that are correct.

A.
–2.7 – (–16.4)

B.
–16.4 + (–2.7)

C.
–16.4 – (–2.7)

D.
–2.7 + (–16.4)

Answer 1

-2.7 - 16.4 equal -19.1, so we're looking for equations that equal the same thing, in simpler words.

A) -2.7 - (-16.4) = 13.7
B) -16.4 + (-2.7) = -19.1
C) -16.4 - (-2.7) = -13.7
D) -2.7 + (-16.4) = -19.1

Answer: Since B and D equal -19.1 as well as the original equation, your answer is B and D.