11 runners took at least 30 minutes to finish the race. (:
3x+50=6x-10
subtract 3x
50=3x-10
add 10
60=3x
divide by 3
20=x
Look like both B and D are correct answers. because 23*400=9200 and 26*400=10400
Answer:
like:-
1/9x20 = <u>2 2/9</u>
1/9-20 = <u>19 8/9 </u>
Step-by-step explanation:
<h3>
<u>I'm not sure</u></h3>
XY=10
Y=X+3
X(X+3)=10
X^2+3X=10
X^2+3X-10
(X-2)(X+5)