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2 years ago

C

Mathematics

2 answers:

denpristay [2]2 years ago

7 0

<h2>Hello there! :)</h2>

<em>I'm happy to help you today!</em>

Answer:

41 yards is correct

Step-by-step explanation:

Step 1. <em>The information we have is: </em>

<em>Originally Jane had $25 on her debit card.</em>

<em>She made a purchase of bulk ribbon for 21 cents per yard. </em>

<em>And after that she ended up with $16.39 on the card. </em>

Step 2. Make an equation to describe the situation.

The equation that describes this situation is:

$\tt 25-0.21y=16.39$

<em>Where 25 is the initial amount and to that, we subtract 0.21y, where y is the number of yards that she bought of ribbon. And all of this has to be equal to the final amount of 16.39.</em>

Step 3. <em>Solve the equation for y:</em>

<em />

<em>To solve for y, we subtract 25 to both sides of the equation:</em>

⇒ $\tt-0.21y=16.39-25$

⇒ $\tt -0.21y=-8.61$

Then, divide both sides of the equation by -0.21:

$\tt y=\frac{-8.61}{-0.21}$

The result is:

$\tt y=41$

The answer is 41 yards of ribbon.

<h2>Hope this helps you!</h2><h2>Have an awesome day! :)</h2>

$-Nature-$

nydimaria [60]2 years ago

4 0

Step-by-step explanation:

so, she spent 25-16.39 = $8.61 on the ribbon.

1 yard of the ribbon costs $0.21.

how many yards did she buy with that amount of money ?

well, as many times as 0.21 fits into 8.61 :

8.61 / 0.21 = 41

so, she bought 41 yards of ribbon.

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