9n+3=7n+19, 9n-7n=19-3, 2n=16, n=8.
check it
72+3=75chairs
56+19=75chairs
Answer:
I believe it would be 9 hours for company 1, and 10 for company 2
Step-by-step explanation:
30 x 9 = 270 (+ the first 20) =290
25 x 10 = 250 (+ the first 40) =290
88
Step-by-step explanation:
F(x)=a(x-h)^2+k
vertex is (h,k)
f(x)=1(x-6)^2-31
f(x)=1(x-(6))^2+(-31)
h=6
k=-31
vertex=(6,-31)
Its 50 i think..hope it helps