Inequalities — Test

Question 9 • Grade 7 Mathematics

Which sentence can represent the inequality 2 point 4 times open paren 6 point 2 minus x close paren is greater than negative 4 point 5 ?

Answer

Two and four tenths multiplied by the difference of six and two tenths and a number is more than negative four and five tenths.

The difference of six and two tenths and a number multiplied by two and four tenths is not less than negative four and five tenths.

Two and four tenths times six and two tenths minus a number is larger than negative four and five tenths.

The product of six and two tenths minus a number and two and four tenths is at minimum negative four and five tenths.

Explanation

The parentheses mean “the difference of 6.2 and a number,” or 6.2 − x. That difference is multiplied by 2.4, and the result is greater than −4.5. Choice A states each part of the inequality correctly. Choice C, by contrast, can mean 2.4 × 6.2 − x, which does not put the subtraction inside the multiplication.

AI-written and checked against the verified answer.

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