The Muslim mathematicians adopted a numerical system from India. The correct answer is B.
Answer:
x= 4/3
Step-by-step explanation:
Subtract 3/7 from both sides
-x= 2x-28/7
simplify
-x=2x-4
Subtract 2x from both sides
-3x=4
divide both sides by -3
x= 4/3
Answer:
11
Step-by-step explanation:
18 1/2 + (-7 4/8)
Simplify the fraction
18 1/2 + (-7 1/2)
Subtract the whole numbers
18-7 = 11
Subtract the fractions
1/2 -1/2 =0
Let the number of men and the number of women in the beginning be x and y
Now,
Now, In 2nd case,
No. Of men=x-63 and no. Of women =y-12
Now,the ratio becomes
Now,we have, 2x=5y
Putting the value of Y=56 in 2x=5y,we get,

Hence, the number of men was 140 and the no. of women was 56
Hi...I am from India.. Where are you from?