Maths Olympiad Prep

Library / /71 of 520

Combinatorics Difficulty 2.8 Junior Find the answer

Guanghua community has built 14 new buildings, each with 7 floors, and each floor has 8 households. How many households can the newly built buildings accommodate?

A number or a short expression. Spacing and $ signs are ignored.

Solution

Analysis: Guanghua community has a total of 14 buildings, each with 7 floors. According to the meaning of multiplication, the community has a total of 14×714 \times 7 floors, and each floor accommodates 8 households. Therefore, the total number of households is 14×7×814 \times 7 \times 8.

Thus, the total number of households that the newly built buildings can accommodate is 784\boxed{784}.

Want a route through all this instead of an archive? The track puts 2,000 problems in a working order, from AMC 10 level to the IMO shortlist.

Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic and difficulty added by this site.