QUESTION 8. An unknown number is added to 8. The sum is
1 answer:
Answer:
82
Step-by-step explanation:
Let the unknown number be x
If an unknown number is added to 8, this is expressed as;
8 + x
<em>If The sum is then divided by 9 to give the answer 10, then;</em>
<em>(8+x)/9 = 10</em>
<em>Cross multiply</em>
<em>8 + x = 9 * 10</em>
<em>8 + x = 90</em>
<em>x = 90 - 8</em>
<em>x = 82</em>
Hence the unknown number is 82
You might be interested in
If you divide 4.2 by 0.02 you should get 210
The correct answer is 42x^4-24x^3+12x^2
5 is b because 3/6 is equivalent to 1/2
6 is a because 1/6 is less than half
Answer:
11.125 meters i think it helps
Step-by-step explanation:
11 and 1/2............................................
