Question

The diffrence of one-Seventh of
a number n and 10 is 3

Answer 1

Answer:

91

Step-by-step explanation:

$\frac{1}{7} n - 10 = 3 \\ \\ \frac{1}{7} n = 10 + 3 \\ \\ \frac{1}{7} n = 13 \\ \\ n = 13 \times 7(reciprocol) \\ \\ n = 91$

Answer 2

Step-by-step explanation:

Answer:

7.π.√63/64

Explanation:

Total no. of trees=2000

No. of mangoes=

100

2000×12

=240

No. of lemon=

100

2000×18

No. of oranges=2000−(240+360)

=1400.