Notifications
Clear all
Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.
Linear Equations in One Variable
1
Posts
2
Users
0
Likes
450
Views
0
05/08/2021 12:37 pm
Topic starter
Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
05/08/2021 12:38 pm
Let the total number of deer be x.
Deer grazing in the field = x/2
Deer playing nearby = x/2 × 3/4 = 3x/8
Deer drinking water = 9
According to the question,
x/2 + 3x/8 + 9 = x
(4x + 3x)/8 + 9 = x
⇒ 7x/8 + 9 = x
⇒ x – 7x/8 = 9
⇒ (8x – 7x)/8 = 9
⇒ x = 9 × 8
⇒ x = 72
Add a comment
Add a comment
Forum Jump:
Related Topics

The denominator of a rational number is greater than its numerator by 8. If the numerator is increased by 17 and the denominator is decreased by 1, the number obtained is 3/2. Find the rational number.
2 years ago

The ages of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4. Find their present ages.
2 years ago

Solve the following equations. 1. (8x – 3)/3x = 2 2. 9x/(7 – 6x) = 15 3. z/(z + 15) = 4/9
2 years ago

Solve the following linear equations. 1. m – (m – 1)/2 = 1 – (m – 2)/3 2. 3(t – 3) = 5(2t + 1) 3. 8. 15(y – 4) –2(y – 9) + 5(y + 6) = 0
2 years ago

Solve the following linear equations. 1. x/2 – 1/5 = x/3 + 1/4 2. n/2 – 3n/4 + 5n/6 = 21 3. x + 7 – 8x/3 = 17/6 – 5x/2
2 years ago
Topic Tags:
class 8 (3408)
,
cbse (15084)
,
ncert (13840)
,
linear equations (36)
,
one variable (36)
,
Forum Information
 321 Forums
 27.3 K Topics
 53.8 K Posts
 0 Online
 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed