Question

Which equation represents owing $
5
to each of your
4
friends?

A.
5
×
4
=
20

B.
−
5
×
−
4
=
20

C.
−
5
×
4
=
−
20

D.
5
×
−
4
=
−
20

Answer 1

C. Because owing $5 to each friend is −5 dollars per friend times 4 friends: −5 × 4 = −20 (equivalently 4 × −5 = −20).