Question

Pls solve this question...i want explained !!

Answer 1

Answer:

practice questions:-

Step-by-step explanation:

3x/8 =27

:- 3x =27×8

:- 3x =216

:- x =216/3

:- x =72.ansif x=y+2,then find the value of y in equation= y-(x-2)/2=2/3

solve:- y -(x-2)/2 =2/3

:- y - (y +2×-2)/2=2/3

:- y - (y +4)/2=2/3

:- 3 ×y - (y +4) =2×2

:- 3y - 3y + 12 = 4

:- y + 12=4

:- y= 4-12

:- y =-8

question no.4)

Answer 2

⭐ ☆ Answer ☆ ⭐

5. (a) let the total number of fruit trees planted in Anandgram be = x

According to Question, the number of non-fruit trees given = 93.

Let we take these number of non fruit trees as = y

So, y = 2 + 3 × x

》 2 + 3x = 93

( As given the non fruit trees, y = 93 )

》 3x = 93 – 2 = 91

》 x = 91 ÷ 3 = 30.3

Let's ignore that decimal or round it off , we get : x = 30

Hence, the number of fruit trees planted = 30 .

(b) By plantation of trees,

• trees give off oxygen that we need to breathe.
• It reduces the amount of storm‐water runoff
• It gives shelter to birds and provides food.

4. Given , x = y + 2

Equation: y – (x – 2) / 2 = 2 / 3

》 y – ( y + 2 – 2 ) / 2 = 2 / 3

》 y – ( y + 0 ) / 2 = 2 / 3

》 y – y / 2 = 2 / 3

( by finding LCM , 2 and 1 of L.H.S side , we get )

》2y – y / 2 = 2 / 3

》y / 2 = 2 / 3

》 3y = 4

Hence , value of y = 4 / 3

1. ( c ) 0.15 (5x – 2) = 0.4 (x + 1)

》0.75 x – 0.3 = 0.4 x + 0.4

》0.75 x – 0.4 x = 0.4 + 0.3

》0.35 x = 0.7

Hence ,value of 'x' = 0.7 ÷ 0.35 = 1 ÷ 5 = 0.2

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