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<h2>Translating Words into Problems</h2>
We can translate a word equation into a mathematical equation by translating key words into operations.
- <em>difference</em> = subtract
- <em>is</em> = equals
Whenever we need to add one fraction to another, we must find a common denominator, change both the fractions for their denominators to be the same, and then add the numerators. Finally, we reduce the fraction.
<h2>Solving the Question</h2>We're given:
- The difference of n and
is
.
Translate the given information into an equation:
⇒
Solve for <em>n</em>:
⇒
Answer:
176.8 cm and 152 cm
420
Step-by-step explanation:
= Mean = 164.4 cm
= Standard deviation = 6.2
The heights of very tall women are 176.8 cm and very short are 152 cm
The percentage of tall women is 2.1 %
The percentage of short women is 2.1 %
So, 420 are expected to be very tall and very short