Use the Simple Interest Formula

question 124

Multiple Choice

Use the simple interest formula.
-Melissa invested a sum of money at 3% annual simple interest. She invested three times that sum at 5% annual simple interest. If her total yearly interest from both investments was $5400, how much was invested at 3%?

• A) $30,000
• B) $67,500
• C) $22,500
• D) $202,500

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Definitions:

Fast Mapping

The cognitive process by which children rapidly learn and assign meanings to new words with minimal exposure.

Word's Meaning

The definition or significance of a particular term or expression.

Cognitive Scaffolding

A teaching strategy that uses supportive methods to help learners progress beyond their current level of understanding or ability.

Behavioral Scaffolding

A teaching method that involves providing support structures to facilitate a learner's ability to achieve a goal, which are gradually removed as the learner becomes more proficient.