A = (a+b)/2
2*A = 2*(a+b)/2 ... multiply both sides by 2
2A = a+b
2A-a = a+b-a ... subtract 'a' from both sides to isolate b
2A-a = b
b = 2A-a
Answer: b = 2A-a
So 1/8=0.125 and 24*0.125=3 so 3 people ate pumpkin pie.
Answer:
The speed of the boat in still water = 8 Km/hr
Step-by-step explanation:
Let the speed of the boat be x
According to question
(x-4)15 = (x+4)5
3x-12 = x+4
⇒x = 8 km/hr
Answer:
Step-by-step explanation:
How does lack of sleep affect risk of injury
Answer:
$357.50
Step-by-step explanation:
25%×570.00
(25/100)×570.00
= $142.50
S.P= O.P-D.P
= (570.00-142.50)$
= $357.5