Answer: 39 pounds of type A coffee were used.
Step-by-step explanation:
Let x represent the number of pounds of type A coffee that were used in the blend.
Let y represent the number of pounds of type B coffee that were used in the blend.
Type A coffee costs Lena $5.70 per pound, and type B coffee costs $4.25 per pound. The total cost of the mixture is $885.30. It means that
5.7x + 4.25y = 885.3- - - - - - - - - -1
This month's blend used four times as many pounds of type B coffee as type A. It means that
y = 4x
Substituting y = 4x into equation 1, it becomes
5.7x + 4.25 × 4x = 885.3
5.7x + 17x = 885.3
22.7x = 885.3
x = 885.3/22.7
x = 39
y = 4x = 4 × 39
y = 156
Answer:
AB. lol thise r my inicials.
Step-by-step explanation:
2X10^-7 I just put it in scientific notation. Just divide 6 x 10^-12 by 3 x 10^-5.
<h2>
Answer:</h2>
Account B will yield more.
<h2>
Step-by-step explanation:</h2>
Savings account A and savings account B both offer APRs of 5%
But savings account A compounds interest annually, while savings account B compounds interest monthly.
Lets check which account will yield more :
<h2>
Account A.</h2>
Lets take p = 10,000
r = 5% or 0.05
n = 1
t = 1
Compound interest formula is :
Substituting values in formula;
= $10500
<h2>
Account B:</h2>
Lets take p = 10,000
r = 5% or 0.05
n = 12
t = 1
Compound interest formula is :
Substituting values in formula;
= $10510
We can see that account B gives more yield as compared to account A. When an account is compounded monthly, we earn interest on interest. This is why we yield more.
Therefore, account B will yield more.
Answer:
00.09$ per Gb
Step-by-step explanation:
1) I'd take that deal!!!
2) Here's how to calculate the cost per Gb:
9.27 / 100 = 0.0927$
That's 00.09$ per gb! Wow that's cheap!