A typical smartphone contains 0.0012 grams of gold and weighs 3.951 ounces (avdp). 1. There are 16.00 ounces in 1 avoirdupois pound and 2,000 pounds in 1 short ton (avoirdupois ton). How many smartphones are there in 1 short ton? Show your work. 2. Based on your work above and the fact that there are about 0.0012 grams of gold in a typical smartphone, how many grams of gold are there in 1 short ton of smartphones? Show your work. 3. There are 31.1 grams in 1 troy ounce. How many troy ounces of gold are there in 1 short ton of smartphones? Show your work. 4. Based on the New York spot gold price in USD per troy ounce that you determined above (part A1), what is the current value of the gold in 1 short ton of smartphones?
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.
The given information
Typical smartphone contain 0.0012 grams of gold and weight 3.951 ounces
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