Solve 20x = 10 for x.

Answer is in the file below

cutt.ly/tz3yDpb

x=.5

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-Todo <3

Step-by-step explanation:

10/20=.5

First option is correct.

Step-by-step explanation:

Since we have given that

Quantity of fruit punch using only grape juice and carbonated water = 8.1 liters

Quantity of grape juice he used = 4.2 liters

So, the equation would be

where c is the number of liters of carbonated water used.

So, Amount of carbonated water is given by

Hence, First option is correct.