After a 40% reduction, you purchase a new stereo for $234. What was the price of the stereo before the reduction? A) First write an equation you can use to answer this question. Use a as your variable and express any percents in decimal form in the equation. For example: 1x-.5x = 150 or .5x=150 would represent 50% off. The equation is Preview B) Solve your equation in part [A] to find the original price of the stereo. Answer: The original price of the stereo was dollars. IMG-8796 (1).jpg IMG-8796.jpg Show All
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.
![After a 40% reduction, you purchase a new stereo for $234. What was the price of the stereo before the reduction?
A) First write an equation you can use to answer this question. Use x as your variable and express any percents in decimal form in the
equation. For example: 1x-.5x = 150 or .5x=150 would represent 50% off.
The equation is
Preview
B) Solve your equation in part [A] to find the original price of the stereo.
Answer: The original price of the stereo was
dollars.
IMG-8796 (1).jpg
IMG-8796.jpg
Show All
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