You and a friend plan to meet in San Francisco for a Giants game. The ballpark is 49 miles from your house in San Jose. With traffic, your average driving speed from start to finish is 50 miles per hour. Your friend lives in Mountain View which is 40 miles from the ballpark and he plans to drive separately. You can assume that traffic is roughly the same for your friend so that his average driving speed is also 50 miles per hour. How long does it take you to drive from your house to the ballpark? If you leave at 4pm, what time should your friend leave in order to arrive at the exact same time you do?
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.
You and a friend plan to meet in San Francisco for a Giants game. The ballpark is 49 miles from your house in San Jose. With traffic, your average driving speed from start to finish is 50 miles per hour. Your friend lives in Mountain View which is 40 miles from the ballpark and he plans to drive separately. You can assume that traffic is roughly the same for your friend so that his average driving speed is also 50 miles per hour. How long does it take you to drive from your house to the ballpark? If you leave at 4pm, what time should your friend leave in order to arrive at the exact same time you do?
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