1.

Renu spend 3/7 of her picket money on purchasing new math book and id left with 229 find the cost of msth book

Answer»

Step-by-step explanation:

So,Let RENU has a amount of x .

So she has spend 3/7 on math book means that she has spend 3/7x so she has LEFT 229.

If we subtract his 3/7 x from total money she had (x) then we get how much she left and we can PUT equat to the left money given in question,so the SOLUTION as follows:-

x - 3/7x = 229

4/7x = 229

4x = 229 × 7

x = 1603/4

x = 400.75

So she has a total mone of Rs. 400.75

If we subtract it from what she left we will get the price of the math book.

400.75 -229=171.75

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