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What are the features of an abacus?
An abacus consists of a rectangular frame divided into two by a horizontal bar. It has a number of vertical wires running across both sections with two "beads" in the upper section and five in the lower..
How many ways can 180 books be arranged in rows containing an equal number of books?
1 row of 180 - 2 rows of 90 - 3 rows of 60 - 4 rows of 45 - 5 rows of 36 - 6 rows of 30 - 9 rows of 20 - 10 rows of 18 - 12 rows of 15 - 15 rows of 12 - 18 rows of 10 - 20 rows of 9 - 30 rows of 6 - 36 rows of 5 - 45 rows of 4 - 60 rows of 3 - 90 rows of 2 - 180 rows of 1 - total of 18 ways within the limits of the question
What are 2 other ways you can line up 6 rows of 8?
2 rows of 24 3 rows of 16 4 rows of 12
Is 7 rows of 9 seeds the same as 3 rows of 9 seeds and 2 rows of 9 seeds the same explain?
If I am getting what you are saying, then no. 3 rows of 9 and 2 rows equals 5 rows. 5*9=45 and 7*9=63
How many ways can a gardener plant 30 trees in rows so that each row contains the sames number of trees?
Six ways. 15 rows of 2 trees 6 rows of 5 trees 3 rows of 10 trees and 2 rows of 15 trees 5 rows of 6 trees 10 rows of 3 trees * * * * * How about 1 row of 30 trees and 30 rows of 1 tree each?
