Question

given data.
In a garden, 153 plants are to be planted in rows 5 plants af
be planted in the first row, 8 plants in the second row, 11 plar
the third row and so on. In how many rows are 153 plants
planted ?​

Answer 1

Answer:

rows 5 plants af

be planted in the first row, 8 plants in the second row,

Answer 2

Answer:

an = 153 , a = 5 , d = a2 - a1 , n - ?

= 8 - 5

= 3

an = a + (n-1)d

153 = 5 + (n-1)3

153-5 = 3n - 3

148 + 3 = 3n

151/3 = n

50.3 = n

n = 50.3