Can someone help me please? Thanks

enter image source here

1 Answer
Taha Z.
Sep 8, 2017

c.#r>=1 1/2#

Explanation:

#2r-9>=-6#

Add 9 to both sides of the inequality to isolate the unknown (r's) term:
#2r-9+9>=-6+9#
#2r>=3#

Then we divide both sides by two to isolate the unknown:
#(2r)/2>=3/2#
#r>=3/2#
#r>=1 1/2# (since 3=2+1)

Related questions
Impact of this question
924 views around the world
You can reuse this answer
Creative Commons License