Jatonia sold n cups of lemonade at her stand for 0.75 each. She made a total of 18.00. Write an equation to express how many cups of lemonade she sold.

You can convert the description to symbolic representation.

The equation that can express how many cups of lemonade Jatonia sold is which results in

How to make equations for expressing the given conditions?

Whatever the condition is given, try converting it into symbolicforms.

For example, if it is said that something is increased, then you do addition by putting + sign.

You can use such techniques to convert given descriptions to equations or mathematical expressions mostly.

How to form the equation for given condition?

Since one cup is sold for 0.75 price, thus n cups will be sold in n times 0.75 price (since 0.75 + 0.75 ... n times is same as 0.75 times n)

This fact can thus, be written as

The cost for n cups is 18, thus the cost we get is equal to 18.

Thus, we have:

Since we need the expression for getting amount of cups(denoted by n), we will try to make n left alone in the left side.

Thus ,we will divide by 0.75 on both the sides.

Thus we get:

Thus, the equation that can express how many cups of lemonade Jatonia sold is   which results in

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