What is the solution for x in the equation? 3
*
= 2r 쪽
OA.
r =
ICO
OB.
=
مراجع
OC.
=
OD
=
-
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Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?