Answer: There are 9 bouquets in which there are 5 roses and 7 carnations.
Explanation:
Since we have given that
Number of roses = 45
Number of carnations = 63
According to question, Each bouquet made will need to be the same.
If all of the flowers are to be used.
So, L.C.M. of 45 and 63 = 9
So, there should be 9 bouquets.
Number of roses in each bouquet =

Number of carnations in each bouquet =

Hence, there are 9 bouquets in which there are 5 roses and 7 carnations.