Answer:
y=14
Step-by-step explanation:
x + y = 84
-1(x - 4y = 14)
-x + 4y = -14
x + y = 84
-x + 4y = -14
5y = 70
divide by 5
y = 14
Answer:
Cost for skii: J(x) = 30x + 7
Cost for beach chair: B(x) = 5x + 3
=> Total cost = J(x) + B(x) = 30x + 7 + 5x + 3 = 35x + 10
=> Option C is correct.
Hope this helps!
:)
Answer:
The interest is $35 so it ends up costing her $70
Step-by-step explanation:
Answer:
<em>= 279</em>
Step-by-step explanation:
= 
+ (n - 1)d
d = 
-
~~~~~~~~~
d = - 17 + 25 = - 9 + 17 = - 1 + 9 = 8
= - 25 + 8(39 - 1) = 279
<em>= 279</em><em> </em>
