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Translate each of the following mathematical sentences into an equation. Use n to represent the variable.

 



Select one:

a.
2n + 5 = 55


b.
2n + 5 = 55


c.
n2 + 5 = 55


d.
2 + 5n = 55

The sentence "Twice your sister's age plus 5 equals 55" can be translated into the following equation:

- Let \( n \) represent your sister's age.
- "Twice your sister's age" is \( 2n \).
- "Plus 5" means you add 5 to \( 2n \).
- The equation is set equal to 55.

Thus, the correct equation is:

\[
2n + 5 = 55
\]

Both options **a** and **b** represent this equation correctly.

Would you like further details, or do you have any questions?

Here are 5 related questions:
1. How would you solve the equation \( 2n + 5 = 55 \) to find your sister's age?
2. What if the problem said "three times your sister's age plus 5 equals 55"?
3. How do you translate the sentence "half your sister's age plus 10 equals 30" into an equation?
4. How would you check if your solution to the equation is correct?
5. Can you create a similar problem where the sum involves subtraction instead of addition?

**Tip:** When translating word problems into equations, carefully identify operations like "twice," "plus," or "equals" to set up your expression properly.

Twice your sister's age plus 5 equals 55.

Learn how to translate the sentence 'Twice your sister's age plus 5 equals 55' into an algebraic equation and solve for the unknown. This problem involves basic algebra concepts, such as variables and linear equations, and is suitable for students in Grades 6-8.

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