Math Problem Statement

Convert English statement into mathematical statement .

  1. The difference of nine and three is six
  2. The product of twice a number and six is eight plus a number
  3. Sixty percent of a number is fifteen
  4. The ratio of a number and eighteen is two-thirds
  5. Four times the difference of eight and a number is the same as the ratio of five and twelve

Solution

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Math Problem Analysis

Mathematical Concepts

Basic Arithmetic
Algebra
Ratios
Percents
Proportions

Formulas

Difference: a - b = c
Product: a * b = c
Percentage: p% * n = c
Ratio: a/b = c/d

Theorems

Proportion Theorem
Basic Operations in Algebra

Suitable Grade Level

Grades 6-8