Answer:
156.25 grams
Step-by-step explanation:
Well, for starters we know that the substance decays by 2% each day and its been decaying for 34 days. Therefore, the substance has decayed by 68%
34 x 2 = 68
Hence, 50 grams is 32% because the substance has already decayed by 68%
100 - 68 = 32
So now we know 50 grams is 32%. Now we need to find how much 100% is.
50 - 32%
X - 100%
We cross multiply.
50 x 100 = 5000
And divide.
5000 / 32 = 156.25
Thus, in the beginning, there were 156.25 grams in the substance.
Hope this helps! :)
This is right!!!
Question asker, by any chance do you go to RSM?
Chord AB = ?
Chord AB = AC + CB
Chord HI = HC + CI
HC = 7
CI = 28
Chord HI = 7 + 28 = 35
Chord AB = Chord HI
CB is 4 times the Length of AC. Let AC be X.
x + 4x = 35
5x = 35
x = 35/5
x = 7
AC = x = 7
CB = 4x = 4(7) = 28
.......................................................................
Answer:
$8.11
Step-by-step explanation:
Original Price: $16.95
Discount: 54% Decimal Form: .54
Tax: 4% Decimal Form: .04
Let's start with the discount...
16.95 x .54 =9.153 Round = 9.15
16.95 - 9.15=7.80
Now, for the tax..
7.80 x .04=0.312 Round = 0.31
7.80 + 0.31=8.11
Hence. the Selling price is $8.11
