A = a + b over 2
First multiply both sides by 2:
2A = a+b
Now subtract a from both sides:
b = 2A - a
Answer:
the first one 35/4 is the correct answer
1. .35(15) + .72(5) = 8.85
2.8.85/(15 + 5) = 0.4425 = 44.25%Answer:
Step-by-step explanation:
$8320
.64 x 13000
1.06818181 there you go
