IDNStudy.com, ang iyong mapagkukunan para sa malinaw at maaasahang mga sagot. Magtanong at makatanggap ng maaasahang sagot mula sa aming dedikadong komunidad ng mga eksperto.
Answer:
D. Means
Explanation:
The four numbers a, b, c and d are known as the terms of a proportion. The first a and the last term d are referred to as extreme terms while the second and third terms in a proportional are called mean terms.