Grades 3-4 Video Solutions 2024-2024_3-4

Video Transcription

Question 6. Lucia pays $7 for 3 items. The cost of each item is different and is a whole number.  How much does the most expensive item cost?  To solve for this problem, we have to recognize that we sum 3 different values to 7. So we'll  start off with 7. Now, to find the most expensive item, let's start off with our highest value,  $6. We'll have 6 plus 1 plus 0, which does equal 7. However, we cannot have 0 as a value,  since that item would be free. So that would be, E cannot be the answer. Next, let's try 5. Here,  we can make this equation true by doing 1 plus 1 plus 5. However, the cost of each item was  different. So this cannot be the solution either. Next, let's try 4. To make this equation true,  we will have 7 equal to 4 plus 2 plus 1. Here, the cost of each item is different and a whole number. So our answer will be C, $4.

Video Summary

Question 6. Lucia pays $7 for 3 items. The cost of each item is different and is a whole number. How much does the most expensive item cost? To solve for this problem, we have to recognize that we sum 3 different values to 7. So we'll start off with 7. Now, to find the most expensive item, let's start off with our highest value, $6. We'll have 6 plus 1 plus 0, which does equal 7. However, we cannot have 0 as a value, since that item would be free. So that would be, E cannot be the answer. Next, let's try 5. Here, we can make this equation true by doing 1 plus 1 plus 5. However, the cost of each item was different. So this cannot be the solution either. Next, let's try 4. To make this equation true, we will have 7 equal to 4 plus 2 plus 1. Here, the cost of each item is different and a whole number. So our answer will be C, $4.

Keywords

Lucia

most expensive item

whole number

different values

cost calculation