Question

By which number -7 upon 25 should be divided to get minus 1 upon 15

Answer 1

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Answer 2

Answer:

21/5

Step-by-step explanation:

let the number be X

so

ATQ

-7/25÷x=-1/15

-7/25=-1/15×x

-7/25= -x/15

-7/25×15 = -x

-21/5=-x

21/7= x