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Aleksandr [31]
2 years ago
8

Sue uses the expression (8×3,000)+(8×200)+(8×9) to help solve a multiplication problem. What is sues multiplication problem?

Mathematics
1 answer:
-BARSIC- [3]2 years ago
7 0
Her multiplication problem might be 8x3,209
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Hi guys please help meee
Lisa [10]
<h3>Answer: 10</h3>

=======================================================

Explanation:

We'll start off converting each mixed number into an improper fraction.

The formula to use is A \frac{b}{c} = \frac{A*c+b}{c}

So,

A \frac{b}{c} = \frac{A*c+b}{c}\\\\2 \frac{1}{8} = \frac{2*8+1}{8}\\\\2 \frac{1}{8} = \frac{16+1}{8}\\\\2 \frac{1}{8} = \frac{17}{8}\\\\

And,

A \frac{b}{c} = \frac{A*c+b}{c}\\\\2 \frac{2}{3} = \frac{2*3+2}{3}\\\\2 \frac{2}{3} = \frac{6+2}{3}\\\\2 \frac{2}{3} = \frac{8}{3}\\\\

So the task of computing 2 \frac{1}{8} \times 2 \frac{2}{3} is exactly the same as computing \frac{17}{8} \times \frac{8}{3}

Notice how we have an 8 up top and an 8 down below. Those 8's cancel out and we're left with \frac{17}{3}. That fraction does not reduce any further.

The last step is to convert that improper fraction result to a mixed number.

\frac{17}{3} = \frac{15+2}{3}\\\\\frac{17}{3} = \frac{15}{3}+\frac{2}{3}\\\\\frac{17}{3} = 5+\frac{2}{3}\\\\\frac{17}{3} = 5 \frac{2}{3}\\\\

Or you could note that 17/3 leads to 5 remainder 2. The 5 is the whole part and the 2 forms the numerator of the fractional part 2/3.

The value is in A \frac{b}{c} form where

  • A = 5
  • b = 2
  • c = 3

Therefore, A+b+c = 5+2+3 = 10

8 0
2 years ago
Read 2 more answers
The difference between 3 times a number and 21
pashok25 [27]
The difference (-) between 3 times a number (3n) and 21.

3n - 21
7 0
3 years ago
Help will give crown
tresset_1 [31]

Answer:

8

Step-by-step explanation:

from A to B it's 8 units long

3 0
3 years ago
Dlane's shop sells 5 quarts of ice cream each day. How much is this in pints?
Vikentia [17]

Answer:

5 quarts = 10 pints

Step-by-step explanation:

1 qt = 2 pt

5 0
2 years ago
Which other expression has the same value as (-14) - 8?
Vladimir79 [104]
The answer is -22 because when you subtract -8 from -14 it gives you -22!
5 0
3 years ago
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