The weight of book a is 650gm and the weight of the book b is 480gm find the total weight of x copoes of book a and y copies of book b
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The weight of book a is 650gm and the weight of the book b is 480gm . find the total weight of 4 copies of book a nd 5 copies of book b .
Answer :
Weight of 4 copies of books :
Let it be ' A '
A = 4 × 650
= 2600 gm.
Weight of 5 copies of books :
Let it be ' B '
B = 5 × 480
= 2400 gm.
Total :
= A + B
= 2600 + 2400
= 5000.
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