Question

A number is multiplied by 7 and 8 is added to the product. If the sum is divided by 10 the result is equal to 5. Find the number.​

Answer 1

Answer:

6

Step-by-step explanation:

Let the number be x.

[(x × 7) + 8] ÷ 10 = 5

[7x + 8] ÷ 10 = 5

7x + 8 = 5×10

7x + 8 = 50

7x = 50 - 8

7x = 42

x = 42/7 = 6

Number is 6.

Answer 2

Answer:

$let \: the \: no. \: be \: x$

$((x \times 7) + 8) \div 10 = 5$

$= > (7x + 8) = 10 \times 5$

$= > 7x = 50 - 8 = 42$

$= > x = \frac{42}{7} = 6$

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