Question

1 2/3 * x + y : 19,5 при x =3,6 при y =2 8/9

Answer 1

$1 \frac{2}{3} \times 3.6 + 2 \frac{8}{9} \div 19.5 = 6 + \frac{26}{9} \times \frac{10}{195} = 6 + \frac{4}{27}$=6 4/27

Answer 2

To find the value of the expression "1 2/3 * x + y" when x = 3.6 and y = 2 8/9, we can substitute these values into the expression and perform the calculations step by step.

Step 1: Convert the mixed number 1 2/3 to an improper fraction. 1 2/3 = (3 * 1 + 2) / 3 = 5/3

Step 2: Substitute the given values for x and y into the expression. 1 2/3 * 3.6 + 2 8/9 = (5/3) * 3.6 + (26/9)

Step 3: Perform the arithmetic operations. (5/3) * 3.6 = 6

Step 4: Convert the mixed number 2 8/9 to an improper fraction. 2 8/9 = (9 * 2 + 8) / 9 = 26/9

Step 5: Add the two fractions together. 6 + 26/9

To add these fractions, we need to find a common denominator, which is 9 in this case.

Step 6: Convert 6 to a fraction with a denominator of 9. 6 = 6/1 = 54/9

Now we can add the fractions: 54/9 + 26/9 = (54 + 26) / 9 = 80/9

So, the value of the expression "1 2/3 * x + y" when x = 3.6 and y = 2 8/9 is 80/9 or 8 8/9.