Answer:
36
Step-by-step explanation:
90÷5=18
18×2=36
We multiply two because the ration for adults is 2
in the equation as we can say x= 2y-10.
so, substitute x=2y-10 everywhere then the x in 1240 gets cancelled with 2y-10 then solve the remaining you will get 4y-20+3y=1240
7y=1260
y=1260/7
y=180
then substitute the value of y everywhere
2x+3y=1240
2x+3(180)=1240
2x=1240-540
2x=700
x=350
DONE.
Answer:
8n^2+10n-25
Step-by-step explanation:
it's probably wrong that's what I got tough xp
<h2>=√(-8-(-6))^+(-4-1)^</h2><h2>=√(-2)^+(-5)^</h2><h2>= -2-5</h2><h2>= -7</h2>
Use the Pythagorean theorem to find the third side then add all three sides together
