Since no value is given to Eva, we'll call her x. Justin, then, is 7.50+x. That leaves Emma, who would be Justin (7.50+x) -12. If we add them all together we get 63. So our equation is
x + (7.50+x) + (7.50+x)-12 = 63
Combine like terms
x+x+x + 7.50+7.50-12 = 63
3x + 3 = 63
3x = 60
x = 20
Since we said Eva is x then Eva has 20 dollars.
Justin is 7.50 + x so 7.50+20=
$27.50
Emma is Justin - 12 so 27.50-12= $15.50
Let's check our answer...
15.50+27.50+20 = 63
63=63
It checks!
Perimeter = 2a+b
Add all the sides together.
Well if he started at +16 above the water and ended up at -6 he dove -10 feet
0.5(5 - 7x) = 8 - (4x + 6)
2.5 - 3.5x = 8 - 4x - 6
2.5 - 3.5x = 2 - 4x
-3.5x + 4x = 2 - 2.5
0.5x = - 0.5
x = - 0.5/0.5
x = -1 <==
Answer:
A. by doing it themselves lol
Step-by-step explanation:
