R-SAT
Exam
Subtracting 10% from X is the same as multiplying X by what number?
option
A. 1/10
B. 8/10
C. 9/10
D. 5/10
E. None Of These
Read Solution (Total 7)
-
- 9/10 IS IT CORRECT OR NOT?????????
- 11 years agoHelpfull: Yes(3) No(0)
- Correst Mr.Venkat
x-x/10=10x-x/10=9x/10 - 10 years agoHelpfull: Yes(2) No(0)
- A
x-x*10/100=9x/10 - 10 years agoHelpfull: Yes(0) No(0)
- x-10/100=x * num
x-1/10 = x * num
10x-1/10 = x * num
10x-1/10x = num
10x/10x - 1/10x = num
1-1/10x = num
10x-1x/10x = num
9x/10x = num
so, num = 9/10 (ans C) - 10 years agoHelpfull: Yes(0) No(1)
- let the required number be Y...so by equation:-
X-(10% of X)=X*Y gives Y=9/10 - 10 years agoHelpfull: Yes(0) No(0)
- x-0.1x=0.9x=(9/10)x
- 10 years agoHelpfull: Yes(0) No(0)
- Optionc)9/10
- 9 years agoHelpfull: Yes(0) No(0)
R-SAT Other Question