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Svetradugi [14.3K]
3 years ago
15

Translate the following sentence into an equation. Then solve the equation. Three times a​ number, added to 7​, is 25. Find the

number. Translate the sentence into an equation. nothing ​(Type an equation using x as the variable. Do not​ simplify.) The unknown number is nothing.
Mathematics
1 answer:
Crazy boy [7]3 years ago
4 0

Answer:

6

Step-by-step explanation:

Three times a​ number, added to 7​, is 25. Find the number.

Let the unknown number be n.

Translating this into an equation, we get:

7 + 3n = 25

Subtract 7 from both sides, to isolate the 3n term:

3n = 18

Dividing both sides by 3 yields n = 6.

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Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{1 \frac{2}{15}}}}}}

Step-by-step explanation:

\sf{1 \frac{7}{10}  \times  \frac{2}{3} }

Convert the mixed number into improper fraction

\longrightarrow{ \sf{ \frac{10 \times 1 + 7}{10}  \times  \frac{2}{3}}}

\longrightarrow{ \sf{ \frac{17}{10}  \times  \frac{2}{3}}}

To multiply one fraction by another, multiply the numerators for the numerator, and multiply the denominator for its denominator and reduce the fraction obtained after multiplication into lowest term

\longrightarrow{ \sf{ \frac{17 \times 2}{10 \times 3}}}

\longrightarrow{ \sf{ \frac{34}{30}}}

\longrightarrow{ \sf{ \frac{17}{15} }}

Convert the improper fraction into mixed number

\longrightarrow{ \sf{1 \frac{2}{15} }}

Hope I helped!

Best regards! :D

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