Investment A woman has $800,000 to invest, andshe is considering buying shares in three investmentproperties. One property earns 9%, one earns 8%, andone earns 7.5%. The total annual earnings on the threeproperties is $67,400. If she invests as much in the 9%property as the sum of her investments in the other twoproperties, how much did she invest in each property?
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.
Investment A woman has $800,000 to invest, and
she is considering buying shares in three investment
properties. One property earns 9%, one earns 8%, and
one earns 7.5%. The total annual earnings on the three
properties is $67,400. If she invests as much in the 9%
property as the sum of her investments in the other two
properties, how much did she invest in each property?
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