Interpreting the Meanings of Expressions 7.EE.A.2 Grade Practice Test Questions TOC | Lumos Learning

Interpreting the Meanings of Expressions 7.EE.A.2 Question & Answer Key Resources Lumos StepUp - PARCC Online Practice and Assessments - Grade 7 Mathematics

Lumos StepUp - PARCC Online Practice and Assessments - Grade 7 Mathematics Interpreting the Meanings of Expressions

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Jack went to the feed store to buy grain for his livestock. He bought fifty-five 50lb bags.

Cost = $40/bag, but for every 10 bags, he got 1 free.

The following mathematical expression shows the cost/lb.

Cost/lb=$40(50)/[50(50) + 5(50)]

Which of the following is a simpler way of writing the above expression?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):7.EE.A.2

Standard Description: Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05."

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