Question 4.2.3: Write the following verbal expressions as mathematical expre......

Write the following verbal expressions as mathematical expressions. Use y as the variable.

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                                            Verbal Expression  Mathematical
Expression
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(a) The product of a number and 3 3y The word product indicates
multiplication.
(b) Four times a number 4y The word times indicates
multiplication.
(c) Two-thirds of a number  \frac{2}{3}y The word of indicates multiplication.
(d) A number divided by 2  \frac{y}{2} The word quotient indicates division.
(e) The sum of 3 and a number is multiplied by 5 5(3 + y) This requires parentheses.
(f) 7 is multiplied by the
difference of an unknown number and 14
7(y – 14) This requires parentheses.

 

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