Question

a student multiple 8,035 by 87 instead of multiplying by 78 .by how much was his answer greater than or less than the correct answer
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Answer 1

Answer:

72315

Step-by-step explanation:

8,035 x 87= 699045

8,035 x 78= 626730

699045-626730=72315

Answer 2

hey good question

Answer:

9 times

Step-by-step explanation:  

87-78=9  

we know 78+9=87

so we can say it is 9 times more

proof

8035×9+8035×78=8035×87

=72315+626730=699045

=699045=699045

LHS=RHS

hence proved

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