400 / 10 = 40.
40
X 9
= 360
In a group of 400 smokers, about 360 of them started before they reached their 21st birthday.
-- All three sides of a scalene triangle have different lengths.
So 'x' can't be 15 and it can't be 25.
-- 'x' must be 10 or more in order to reach between the ends
of the 25 and the 15.
-- 'x' must be less than 40 in order for the 25 and the 15 to reach
between its ends.
So the value of 'x' must satisfy these conditions:
<em>0 < x < 15</em>
<em>15 < x < 25</em>
<em>25 < x < 40</em>
Any number that satisfies these conditions is an acceptable value for 'x'.
Answer:
a spinner divided into 4 congruent sectors, spun 7 times
Step-by-step explanation:
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