SOLUTION: there are 5 different types of flowers. How many vases can be filled by using combinations of just 3 flowers without duplicating the 3 flowers previously used? I'm just an old

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Question 486535: there are 5 different types of flowers. How many vases can be filled by using combinations of just 3 flowers without duplicating the 3 flowers previously used?
I'm just an old grandfather trying to help a grandson (5th grade) that I'm babysitting for. Thanks.

Found 2 solutions by deborabr, MathTherapy:
Answer by deborabr(181)   (Show Source): You can put this solution on YOUR website!
well, if we have 5 types of flowers we get: flower type 1, 2, 3, 4 and 5
we fill one vase with 3 types of flowers, for example: types 1,2 and 3
to fill the second vase we can take just the types of flowers 4 and 5 to don't duplicate any type of flower. so isn't possible to fill many vases with 3 types of flowers without repeat them. the response would 1 vase. i hope it helped you.

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
there are 5 different types of flowers. How many vases can be filled by using combinations of just 3 flowers without duplicating the 3 flowers previously used?

To do this, we need to use a combination of 3 flowers from 5 flowers, or 5C3, which calculates to: ----- ------ ----- = 10 vases.

Hypothetically, suppose these 5 different flowers also had different colors. We could name them as follows: R (red), W (white), P (pink), Y (yellow), and B (blue)

These are the different arrangements:

Vase 1: RWP
Vase 2: RWY
Vase 3: RWB
Vase 4: RPY
Vase 5: RPB
Vase 6: RYB
Vase 7: WPY
Vase 8: WPB
Vase 9: WYB
Vase 10: PYB

As seen, each vase will have a different 3-color combination. As such, there are different combinations.

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