Find the length of MR.

12 + 5x > 2(8x - 6) - 7x

12 + 5x > 16x - 12 - 7x

5x - 16x + 7x > -12 - 12

-4x > -24 / : (-4)

x < 6

The 3 decimals between 16.4 and 16.5 will be 16.45, 16.48, and 16.49 respectively.

What is the decimal system?

The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values. Decimal notation is the name for the method of representing numbers in the decimal system.

The two numbers are 16.4 and 16.5 there are many decimal numbers between the given two numbers but the three decimal numbers are 16.45, 16.48, and 16.49.

Decimals are used to determine if a number is rational or irrational. They are used to change fractions, percentages, and ratios from one form to another. Decimals are also used to measure things like length, weight, area, and volume. Calculations requiring precision frequently employ decimals.

Thus, the 3 decimals between 16.4 and 16.5 will be 16.45, 16.48, and 16.49 respectively.

Learn more about the decimal system here,

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Find common denominators. Multiply 5 to numerator and denominator of 1/3, and 3 to the numerator and denominator of 1/5

(1/3)(5/5) = 5/15

(1/5)(3/3) = 3/15

Add

5/15 + 3/15 = 8/15

Ruby and Angie ate 8/15 of the pizza.

hope this helps

i think it is 8/15 of the pizza