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CBSE Class 6 Answered

Punit wishes to put marbles into a small rectangular box in rows of 4 marbles each.           a) Find the rule that gives the number of marbles that can be put in the box. b) Find the number of marbles if the number of rows is 7.        
Asked by Topperlearning User | 21 Jul, 2014, 04:20: PM
answered-by-expert Expert Answer

Each box has 4 marbles in each row.

a. Let the number of rows be r

 ∴ The rule to find the number of marbles in the box is 4r.


b. If the number of rows is 7

 No. of marbles in each row = 4 

 

Then, the number of marbles in the box with 7 rows = 4 × 7 = 28

 

 

 

 

Answered by | 21 Jul, 2014, 06:20: PM

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