Friends

Some friends had to collect the sum of 72 EUR equally. If the three refused their part, others would have to give each 4 euros more. How many are friends?

Final Answer:

n =  9

Step-by-step explanation:

n e = 72 (n3)(e+4) = 72  72 = a b  72 = 2 × 2 × 2 × 3 × 3 = 23 × 32 n>3  (n,e)= { (4, 68), (5, 32), (6, 20), (7, 14), (9, 8), (11, 5), (12, 4), (15, 2) }  n1=4 e1=n13724=43724=68    n=9 e=n3724=93724=8



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You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsUnits of physical quantitiesGrade of the word problem

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