Question

in a flower garden there 23 Rose plants in the First row 21 in the second row 19 in the theatre of and so on there are five Rose plants in the last row how many rows are there in the flower garden ​

Answer 1

Answer:

10 roses are there in a flower garden

Step-by-step explanation:

first row=23

second row =21

last row=5

so as series is in the following way

23,21,...........,5

a=a+(n-1)d. an= 23+(n-1)-2

5-23=(n-1)-2

-18=(n-1)-2

-18/-2=n-1

9=n-1

9+1=n

n=10.

this is your answer