Nr+70< 50 show your work

4b-2d=25 show your work

-nr+70 <50

or,-nr+70-50 <50-50

or,20-nr <0

or,20-nr-20<-20

or,-nr<-20

or,nr/n<20/n

or,r <20/n

same as

4b-2d=25

or,4b=25+2d

or(4b-25)/2=d

Step-by-step explanation:

we must try to solve equation for answer

109 is the nearest whole number/final answer! : )

answer:

c. the third graph