Angelina already had $1500 saved before she started. She isn't working while she's in school, so she can only save $250 a year each year she is in college. Ray didn't have any money saved before he started, but he has a part-time job. He figures that he can save about $750 a year each year that he is in college. Let x represent the number of years the two students are in college. Assume that this is the same number of years for both. Let y represent the total amount of savings in dollars after x years. What is the equation that represents Angelina’s savings for college? What is the equation that represents Ray’s savings for college? When will Angelina and Ray have the same amount saved for college? Explain how you know. After the first two years, who has the most saved? Explain how you know.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
Angelina already had $1500 saved before she started. She isn't working while she's in school, so she can only save $250 a year each year she is in college.
Ray didn't have any money saved before he started, but he has a part-time job. He figures that he can save about $750 a year each year that he is in college.
Let x represent the number of years the two students are in college. Assume that this is the same number of years for both. Let y represent the total amount of savings in dollars after x years.
- What is the equation that represents Angelina’s savings for college?
- What is the equation that represents Ray’s savings for college?
- When will Angelina and Ray have the same amount saved for college? Explain how you know.
- After the first two years, who has the most saved? Explain how you know.
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