Question

2. If one score oranges cost $ 45, how many oranges can be bought for $72
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Answer 1

Answer:

ANSWER

The cost of the oranges is directly proportional to the number of oranges bought.  

A score of oranges, means 20 oranges.  

Let a be the number of oranges bought for Rs72.

So,  =>45:72=20:a

Applying the rule, product of extremes = product of means

45×a=72×20

a=  

45

72×20

​  

 

a=32

Hence, 32 oranges can be bought with Rs 72.

Step-by-step explanation:

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Answer 2

Answer: Please mark me brilliant

The cost of the oranges is directly proportional to the number of oranges bought.  

A score of oranges, means  

20  

oranges.  

Let  

a

be the number of oranges bought for  

R s 72

So,

=45 : 72

= 20 :a

Applying the rule, product of extremes = product of means  

45 × a

= 72 × 20

a = 72 ×20

45

a = 32

Hence,

32

Step-by-step explanation: