How many grams of a 15 percent alcohol solution should be mixed with 40 grams of a 30 percent solution to obtain a

1 answer:

4 0

The number of grams is 20 grams

Let x represent how many grams of a 15 percent alcohol solution

15%x+30%.40/x+40

=25%

0.15x+0.4.30=0.25 (x+40)

0.15x+12=0.25x+10

0.15x-0.25x=10+12

-0.1x=-2

x=-2/-0.1

x=20

Inconclusion The number of grams is 20 grams

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Alenkasestr [34]

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Aggregate demand would be a macroeconomic term which refers to the total consumption of goods and services in a given period at any price level.

Some key features regarding the aggregate demand curve?

Since the two metrics are estimated in the same way, aggregate demand over time corresponds gross domestic product (GDP).
GDP is the total quantity of products and services created by an economy, whereas aggregate demand is indeed the desire or demand for those goods.
The aggregate demand as well as GDP rise or fall together as a result of using the same calculation methods.
All consumer goods, capital equipment (factories & equipment), export markets, imports, & government spending programs are included in aggregate demand.
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1 year ago

Mandarinka [93]

Answer:

x = -1

y = 1

Step-by-step explanation:

Since it gives you "y", plug in the number given into the equation: