you go to a basketball game and buy 3 Waters that cost X dollars each and a bag of peanuts for $4.50. write an expression in simplest form that represents the total amount of money you spent

This is not a question but an apology. I sent a post stating the answer was wrong, but I'm wrong, because I read the problem carelessly, thinking it was a very similar problem I saw in a workbook. That problem also included that the brother also bought a bottle of water. My bad!

The total cost is the sum of all the products that were purchased.
We have then:
For this case, the total cost is given by:
C = 3x + 4.50
Where,
x: represents the cost of each water.
Answer:
an expression in simplest form that represents the total amount of money you spent is:
C = 3x + 4.50

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astha8579 astha8579 · Answer 2 · 2022-02-12T06:01:02+01:00

You can use the fact that x dollars was cost for each bottle of water, thus, 3 waters will be priced thrice of x dollars which is 3 times x.

The simplest expression representing the given situation's total amount of money spent is given as

[tex]y = 3x + 4.5[/tex] (in dollars)

(where y represents total money spent)

How to form mathematical expression from the given description?

You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.

Since [tex]x[/tex] dollars was cost for each bottle of water, thus, 3 waters will be priced thrice of [tex]x[/tex] dollars which is 3 times [tex]x[/tex].

This is represented as [tex]3x[/tex]

Since there was cost of bag of peanuts too, which is $4.50, thus, adding it to the cost of 3 waters will give us total amount of money spent.

Total money spent = [tex]3x + 4.5[/tex] (in dollars)

Remember that we don't write signs like $ etc and state it later what does that expression represents. Although we can legally write but in math, most of the time, only those things are written which are strictly needed at each step(so as to improve performance)(and as if we say once that the value is in dollars, then we don't need to write it twice).

Also, remember that many times, when using letters or symbols, we hide multiplication and write two things which are multiplied, close to each other. As in [tex]3 \times x = 3x[/tex]

Thus,

[tex]y = 3x + 4.5[/tex] (in dollars)

(where y represents total money spent)

Learn more about forming expressions here

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