250 adults and 180 of which are parents, so 250 -180 = 70
are not parents.
<span>The results showed that 150 of the adults with children and
40 of those without thought the park should be expanded. So there are 180 – 150 = 30 parents who
answered no. and 70 – 40 = 30 not parents who answered no.</span>
<span>
yes | no
parents 150 | 30
not parents 40 | 30
</span>
A rational expression is undefined if the denominator is zero. Since the denominator is
, the expression is undefined if

65%
Step-by-step explanation:
Given: Full capacity= 200000 litres
Amount of fuel used during flight= 130000 litres
Now, finding percentage of fuel used on the flight.
∴ Percentage of fuel used=
Solving it, we will get
∴ 65% of fuel capacity been used in this flight.