Math, asked by korigaurav50, 1 month ago

Shivi gave a note of ₹2,000 for a pair of jeans worth ₹500. She was returned 11 notes in denominations of ₹200 and ₹100. Which pair of equations can be used to find the number of ₹200 notes, x, and the number of ₹100 notes y? How many notes of ₹200 did she get * Option 1: x+ y= 11and 200x + 100y= 1500; 8 Option 2: y = x+ 11 and 200x+ 100y = 2000; 4 Option 3: x+ y= 11 and 200x + 100y = 1500; 4 Option 4: x +y= 11 and 100x + 200y = 2000; 10​

Answers

Answered by amitnrw
2

Given : Arun went to a shoe store and purchased a pair of shoes worth ₹500. He gave a ₹2000 note to the owner of store and he was returned 11 notes in denominations of ₹200 and ₹100.

number of ₹200 notes is x and that of ₹100 is y,

To Find :  linear equation will be formed for this information.​

Solution:

purchased a pair of shoes worth ₹500.

He gave a ₹2000 note

Return = 2000 - 500  = 1500 Rs

number of ₹200 notes is x

Hence Value is 200x

number of ₹100 is y

Hence value is 100y

Total Value returned = 200x + 100y

200x + 100y  = 1500

Dividing both sides by 100

=> 2x  + y  = 15

200x + 100y  = 1500 is the correct option

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