Answer:
23
Step-by-step explanation:
It is given that, in Russia there are 21 rocket launch failures out of 743 total launches. We need to find no of failures for the next 800 launches.
21 rocket = 743 launches
1 launch =
For 800 launches,
or
= 23 failures
So, there are 23 failures in next 800 launches.
To turn a mixed number into an improper fraction, you have to multiply the denominator with the whole number and add the numerator to the result. The denominator doesn't change.
The denominator is 4. The whole number is 2. Multiply:
The numerator is 3. Add that to the product of the denominator and whole number.
The denominator stays the same. The denominator is 4. Make it as a fraction(improper).
Your answer is