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Scorpion4ik [409]
3 years ago
13

Marco is putting some sweaters into storage. He has 10 sweaters and can fit 6 sweaters into a box. How many different groups of

6 sweaters can Marco pack into a box?
Mathematics
2 answers:
Helga [31]3 years ago
8 0
There are 210 different groups. Hope it help!
Lera25 [3.4K]3 years ago
5 0

Answer:

210

Step-by-step explanation:

Given : Marco has 10 sweaters and can fit 6 sweaters into a box.

To Find: How many different groups of 6 sweaters can Marco pack into a box?

Solution:

Since we are not given any sequence .

So, we will use combination over here.

Formula : ^nC_r =\frac{n!}{r!(n-r)!}

Since we are given that he has 10 sweaters and 6 can fit into a box .

So, n = 10

r = 6

Substitute the values in the formula

 ^{10}C_6 =\frac{10!}{6!(10-6)!}

 ^{10}C_6 =\frac{10!}{6!(4)!}

 ^{10}C_6 =\frac{10 \times 9 \times 8 \times 7 \times 6!}{6!(4\times 3 \times 2 \times 1)}

^{10}C_6 =\frac{10 \times 9 \times 8 \times 7}{4\times 3 \times 2 \times 1}

^{10}C_6 =210

Thus No. of possible groups of 6 sweaters is 210

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