by what rational number should we multiply minus 15 by 50 to get minus 5;7
Answers
Answered by
2
Let the no. be x.
According to question :
x*(-15/50)=5/7
x=(5×50)/(-15×7)
x=50/-21
x=-50/21
hope this helps you
According to question :
x*(-15/50)=5/7
x=(5×50)/(-15×7)
x=50/-21
x=-50/21
hope this helps you
Answered by
1
Rational no. Is of form p/q
Let us take p/q =x
As per question,
x*5/2 + 2/3= -7/12
Solving L.H.S by taking LCM we get
x* 5/2 + 2/3 = (15x + 4) /6
Now,
Solving both sides
(15x + 4)/6 = -7/12
30x +8 = -7
30x = -15
x = -1/2
Let us take p/q =x
As per question,
x*5/2 + 2/3= -7/12
Solving L.H.S by taking LCM we get
x* 5/2 + 2/3 = (15x + 4) /6
Now,
Solving both sides
(15x + 4)/6 = -7/12
30x +8 = -7
30x = -15
x = -1/2
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