Question

tell all answers fast help me fast​

Answer 1

Answer:

Hope this will help you!!!

Answer 2

Step-by-step explanation:

8.

Given:-

• Product of two numbers = 227.97

• One number is given i.e: ==> 15.3

Let the other number be y

The equation you get is ↓

⇒ 15.3 × y = 227.91

⇒ y = $\frac{227.91}{15.3}$

⇒ y = $\frac{\frac{22791}{100} }{\frac{153}{10} }$ if u cant see this equation then understand this ↓

                                                              y = 22791/100 whole divided by 15/30

⇒ y = $\frac{22797}{100}$  ×  $\frac{10}{153}$

10 cancels with 100 and 153 cancels 22797 giving result 149

by cancelling u get,

⇒ y = $\frac{149}{10}$

⭐⭐ y = 14.9 is ur answer ⭐⭐

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9.

Given:-

• Current length of the tree -> 0.65

• growth every month -> 0.03

• length till which it have to grow -> 0.92

now substract the current height of the tree from the height that it have to achieve -

0.92 - 0.65 = 0.27

now we have to divide the left distance with each month growth to calculate the time taken for the rest of the growth.

= $\frac{0.27}{0.03}$

⭐ 0.27 can be written as $\frac{27}{100}$

                  and

⭐0.03 can be written as $\frac{3}{100}$

so equation we get is ↓

⇒  $\frac{27}{100}$  ×  $\frac{100}{3}$

100 cancels with 100 and 3 cancels with 27 resulting answer 9

⭐⭐ It would take 9 months ⭐⭐

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10.

if 1 litre = 78.5km

then 4.6 litre  = ?

using unitary method, we get

⇒ $\frac{4.6 * 78.5}{1}$                                                                          * ---> multiply

⇒ 4.6 × 78.5

⇒ 361.1

⭐⭐ It Would cover 361.1 kms in 4.5 litres of petrol ⭐⭐

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11.

Given:-

salary given as pocket money every month = 0.025

pocket money spent = 0.8

money saved = 1 - 0.8 = 0.2

Amount of money saves in 6 months = Rs 555

⭐⭐We need to Monthly Salary of Sushma⭐⭐

Step by Step Solution :

Let The money given to son = Rs x

Let The salary amount = Rs y

Amount of money saved in 6 months = Rs 555

Amount of money saved in 1 month = Rs   = Rs 92.5

Again,

money saved = 0.2 of money given

Or, Rs 92.5 = 0.2 × x

Or,  x =  = Rs 462.5

So, The money given to son =  x = Rs 462.5

Again,

∵ Part of salary given as pocket money every month = 0.025 of total salary

Or,                                                                                 y = 40 × x

Or,                                                                                 y =  40 ×  Rs 462.5

∴                                                                                    y = Rs 18500

⭐⭐The monthly salary of Sushma is Rs 18500 ⭐⭐

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