What best describes the problem-solving approach of the concrete operational thinker?

A concrete operational thinker replaces intuitive reasoning with logical reasoning. Reasoning will be based on observable quantities and qualities, not the hypothetical. As and example , a concrete thinker would know that changing the shape of a lump of clay does not change how MUCH there is of the clay, as they can observer the clay.

Absolute !

The electoral college consists of 538 electors. a majority of 270 electoral votes is required to elect  the president. your state's entitled allotment of electors equals the number of members in its congressional delegation: one for each member in the house of representatives plus two for yoursenators.congress does the electoral college represent