It is so clear it is six feet, hello one foot shorter, the building is 5
Answer:
They are both acute angles
The conference call lasts 90 minutes. Minutes at daytime rate is 7pm to 8pm, 60 minutes, and at nighttime rate, 30 minutes.
60 mins @ 5c/min=$3. 30 mins @ 3c/min=$0.90. Total before conference charge: $3.90. Total cost=3.90×1.5=$5.85.
0.5(100-30) = 35
Hope this helps............
Answer:
1:4
Step-by-step explanation:
Let X be the quantity of 30% acid and Y be the quantity of 5% acid.
0.3X + 0.05Y = 0.1(X+Y)
0.3X + 0.05Y = 0.1X + 0.1Y
0.3X - 0.1X = 0.1Y - 0.05Y
0.2X = 0.05Y
X/Y = 0.05/0.2
X/Y = 1/4
X:Y = 1:4
