Answer: 49 flowers .
Explanation:
Hi, to answer this question, first, we have to sum the number of flowers:
- 3 pink roses + 4 tulips = 7 flowers
She uses 7 flowers to fill each vase, so, to calculate how many flowers are used to fill 7 vases we simply multiply the number of flowers used to fill one vase (7) by the number of vases(7).
Mathematically speaking:
To find how many flowers of each type she uses to fill the 7 vases:
- Pink roses: 3 x 7 = 21
- Yellow tulips: 4 x 7 = 28
Feel free to ask for more if needed or if you did not understand something.