Answer:D
Step-by-step explanation:
Let <em>x</em> = 8.132132132...
Then 1000<em>x</em> = 8132.132132132...
Subtract <em>x</em> from 1000<em>x</em> to eliminate the fractional part:
1000<em>x</em> - <em>x</em> = 8132.132132132... - 8.132132132...
999<em>x</em> = 8132 - 8 = 8124
<em>x</em> = 8124/999 = 2708/333
112 is 80% of 140.
80% can be written as 0.80 or 0.8.
how i got 140 is by finding the x value of this equation: 0.8x=112
to find the x, i divided 0.8 from both sides,
0.8 divided by 0.8 cancel out.
112 divided by 0.8 is 140.
therefore, 112 is 80% of 140
Answer: 4. 9 + 7n - 3
3. 62
Step-by-step explanation:
Given statement: nine more than the product of seven and a number decreased by three
Let n be the number.
Then, required expression:
Correct option is 4.
When n= 8 ,
The value of expression =
Hence, value of the expression when n = 8 is 62.
Correct option is 3.