High School

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Darcie wants to crochet a minimum of 3 blankets to donate to a homeless shelter. Darcie crochets at a rate of [tex]\frac{1}{15}[/tex] of a blanket per day. She has 60 days until she wants to donate the blankets, but she also wants to skip crocheting some days to volunteer in other ways.

Write an inequality to determine the number of days, [tex]s[/tex], Darcie can skip crocheting and still meet her goal.

[tex]\square[/tex]

Answer :

Sure, let's go through the problem step by step to help Darcie determine how many days she can skip crocheting while still meeting her goal of making at least 3 blankets.

1. Understand Darcie's Rate of Work:
- Darcie crochets at a rate of [tex]\(\frac{1}{15}\)[/tex] of a blanket per day. This means she can complete 1 full blanket every 15 days.

2. Identify Total Time Available:
- Darcie has a total of 60 days to complete her blankets.

3. Set Up the Problem:
- Let's say [tex]\(s\)[/tex] is the number of days Darcie decides to skip crocheting. Therefore, the days she actually spends crocheting are [tex]\(60 - s\)[/tex].

4. Write an Expression for Blankets Produced:
- The number of blankets Darcie can crochet in the days she works is given by the product of her rate and the number of days worked:
[tex]\[
\text{Blankets produced} = \frac{1}{15} \times (60 - s)
\][/tex]

5. Set Up the Inequality:
- We need this expression to be at least 3 since Darcie wants to crochet a minimum of 3 blankets:
[tex]\[
\frac{1}{15} \times (60 - s) \geq 3
\][/tex]

6. Solve the Inequality:
- First, multiply both sides of the inequality by 15 to eliminate the fraction:
[tex]\[
60 - s \geq 3 \times 15
\][/tex]
- Calculate the right side:
[tex]\[
60 - s \geq 45
\][/tex]

7. Isolate [tex]\(s\)[/tex]:
- Subtract 45 from both sides to solve for [tex]\(s\)[/tex]:
[tex]\[
60 - 45 \geq s
\][/tex]
- Simplify:
[tex]\[
15 \geq s
\][/tex]

8. Conclusion:
- Darcie can skip up to 15 days of crocheting and still meet her goal of making at least 3 blankets.

Therefore, the maximum number of days Darcie can skip crocheting is 15 days. This ensures she still meets her goal of completing a minimum of 3 blankets within the 60-day period.

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