10-02-2015
Mathematics

Answered

there are 24 counters. How many counters could you add without having to regroup? why?

Answer :

zswanekamp zswanekamp

10-02-2015

you can add 5 because 24+5= 29 and still being divisible by 5. if you add six you need to regroup

Answer Link

RenatoMattice RenatoMattice

27-02-2019

Answer: There are 5 counters that can be added without having to regroup.

Step-by-step explanation:

Since we have given that

Number of counters = 24

We need to add without having to regroup.

It means that we should make it a prime number which does not get divided by any other number except 1 and itself.

so, After 24, there is other numbers that has chances are as follows:

25,26,27,28,29......

But except 29 all the other number can be regroup as they are composite numbers.

But 29 is the nearest prime number after 24.

So, 24+5=29.

Hence, there are 5 counters that can be added without having to regroup.

Answer Link

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