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Assoli18 [71]
3 years ago
11

What is 7 copies of the sum of 8 fifths and 4?

Mathematics
2 answers:
LiRa [457]3 years ago
6 0
All you have to do is 8 x 4 answerx7
ale4655 [162]3 years ago
3 0

39¹/₅ or 39.2

<h3>Further explanation</h3>

<u>The Problem:</u>

  • 7 copies of the sum of 8 fifths and 4.
  • Write an expression to match, and then evaluate.

<u>The Process:</u>

Here are some early expressions that need attention.

  • 8 fifths is \boxed{\frac{8}{5}}
  • the sum of 8 fifths and 4 is \boxed{\frac{8}{5} + 4}

7 copies of the sum of 8 fifths and 4 mean that we have to multiply 7 with the sum of 8 fifths and 4.  The term of "the product" is synonymous with multiplication.

Let us write an expression to match for '7 copies of the sum of 8 fifths and 4'.

\boxed{\boxed{ \ 7 \times \bigg(\frac{8}{5} + 4 \bigg) \ }}

Let us calculate the operation in parentheses at first.

\boxed{ \ \frac{8}{5} + 4 \ }

\boxed{ \ \frac{8}{5} + \frac{20}{5} \ }

\boxed{ \ \frac{28}{5} \ }

And now we solve the full expression.

\boxed{ \ = 7 \times \bigg(\frac{8}{5} + 4 \bigg) \ }

\boxed{ \ = 7 \times \frac{28}{5} \ }

\boxed{\boxed{ \ \frac{196}{5} \ }}

In mixed fraction:

\boxed{ \ \frac{196}{5} = \ ? \ }

\boxed{ \ = \frac{195}{5} + \frac{1}{5} \ }

\boxed{ \ = 39 + \frac{1}{5} \ }

\boxed{\boxed{ \ 39\frac{1}{5} \ }}

In decimal:

\boxed{ \ 39\frac{1}{5} = \ ? \ }

\boxed{ \ = 39\frac{1 \times 2}{5 \times 2} \ }  

\boxed{ \ = 39\frac{2}{10} \ }  

\boxed{\boxed{ \ 39.2 \ }}

Thus, the result is \boxed{\boxed{ \ 39\frac{1}{5} \ or \ 39.2 \ }}.  

<h3>Learn more  </h3>
  1. \frac{2}{3} of the product of \frac{3}{8} and 16 brainly.com/question/915563
  2. 100 is 1/10 of what? brainly.com/question/96535
  3. 4 times as much as 3 is brainly.com/question/573729

Keywords: what, 7 copies, the sum of, 8 fifths and 4, write an expression to match, and then evaluate, 39¹/₅ or 39.2, multiply, parentheses, in mixed fraction, decimal  

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