Question

Price of one math and science book is 170. The price of math book is 10 rupees less than the science book. Find the price of math and science book?​

Answer 1

Step-by-step explanation:

total amount=170

science book cost=x

therefore maths book will cost=x-10

according to question,

x+x-10=170

2x=180

x=90

therefore cost of science book=x=90

cost of maths book=x-10=90-10=80

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Answer 2

Answer:

heya✌

$price \: of \: math \: and \: science \: book = 170 \\ let \: price \: \: of \: science \: book = x \\ price \: of \: math \: book \: = x - 10 \\ acc.to \: que. \\ x + x - 10 = 170 \\ 2x = 180 \\ x = \frac{180}{2} \\ x = 90$

thus math book cost 80 while science book cost 90rs.

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