C + a = 140......a = 140 - c
5.3c + 9.4a = 1086.4
5.3c + 9.4(140 - c) = 1086.4
5.3c + 1316 - 9.4c = 1086.4
5.3c - 9.4c = 1086.4 - 1316
-4.1c = - 229.6
c = -229.6 / -4.1
c = 56......so their were 56 child tickets sold
2(2^4) - 5(2^2) - 3*2 + 2 = 32-20-6+2 = 8
Answer:
The two groups collected 573.
Step-by-step explanation:
238
+345
=
573
Hello,
Answer B
A=(0,4)
B=(4,1)
y-4=(1-4)/(4-0)(x-0)
==>y=-3/4 x +4