How many pounds of chocolate worth $1.5 a pound must be mixed with 10 pounds of chocolate worth 80 cents a pound to produce a mixture worth $1 a pound?

x = 4 pounds.

Step-by-step explanation:

Let x be the mix amount of $1.5

Be and the amount of mixture of $0.8

Let z be the amount of mix of $1

We know that an amount x of mix of $ 1.5 should be added to y = 10 pounds of mix of $ 0.8 to get mix of $ 1. This is

x + y = z

x +10 = z (i)

Then, we know that the amount of money invested in the mix must be:

1.5x + 0.8y = 1z (ii)

We must clear x.

For this we substitute (i) in (ii)

1.5x + 0.8y = x + 10

-10 + 0.8y = = -0.5x

We know that y = 10.

So:

0.5x = 10 - 0.8(10)

x = 2(10-8)

x = 4 pounds.

You must add 4 pounds of 1.5 $ mix

one set of data has more variation than the other. hope this !

answer: solve 5\cdot 2^x=2405⋅2  

x

=2405, dot, 2, start superscript, x, end superscript, equals, 240.

solution

to solve for xxx, we must first isolate the exponential part. to do this, divide both sides by 555 as shown below. we do not multiply the 555 and the 222 as this goes against the order of operations!

\begin{aligned} 5\cdot 2^x& =240 2^x& =48 \\ \end{aligned}  

5⋅2  

x

2  

x

​    

=240

=48

​

step-by-step explanation: