Math, asked by aryanyadav72098, 11 hours ago

answer by step by step explain please

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Answered by ruthbhandari30

0

Answer:

4.5×20

Step-by-step explanation:

90

2 ans 7

it's your answer

Answered by manojdash19

1

Step-by-step explanation:

1) Cost of 1 pencil - 4.5

Cost of 20 pencils - 4.5×20 = Rs.90

2)21-12×2+5×2

= 21-24+10

= 21+10-24

= 7

3. Sum of two numbers(let be x and y) = 13/5

Given x is 7/10 So y= 13/5-7/10

= 19/10 Ans.

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