Question

the students planted 295 plants.7plants planted in 1 row,12 plants are planted in 2 row.the number of plants in successive rows are in AP how many rows are there?
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Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Given total no. of plants =295

an=295

7 plants in 1 row, 12 plants in 2 row

Means Ap is 7,12,17.....

a=7

d=5

an=a+(n-1)*d

295=7+(n-1)*5

295-7=(n-1)*5

288=(n-1)*5

288+1