Answered

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you buy five stickers for three dollars. write a proportion that gives the cost c of buying twelve stickers

Sagot :

Answer: 5/3=12x

Step-by-step explanation:

So, you know already that one part of your proportion is going to be 5/3 because of 5 stickers, and 3 dollars. Now think about what you know for the second part of the proportion. You know the number of stickers. And since these two fractions are being set next to each other, the sticker quantity must be in the same spot in both fractions. But, since you don't know the cost, we are going to replace that with your variable, x.

Now, put that all together, and we are left with 5/3 = 12x. That is your proportion.

If you want to solve this, you would have to cross multiply. So, you would do 5⋅x and 12⋅3. Then, you simplify, and are left with 5x= 36. To find x, or the cost, you must isolate the variable. So, divide 5 from both sides. 5x/5 = 36/5

Simplify, and you are left with x=7.5

. This means that for 12 stickers, the cost is $7.50.

M8sonman
The answer would be $8 becuase 5 stickers cost 3 dollars each sticker cost .60 cents so 4 stickers would cost $2.40 x 3 would equal 8
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