) a) i) Calculate the simple interest earned on a investment of $ 400,000 after 12 years at a rate of 3.5 %. ii) Calculate the time needed on an investment of $400,000 to gained an interest of $60,000 if the interest rate is 3%. b) 3 burgers and 2 drinks cost $35.00 2 burgers and 1 drink cost $22.00 What is the cost of each item?
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.
3) a) i) Calculate the simple interest earned on a investment of $ 400,000 after 12 years at a rate of 3.5 %.
ii) Calculate the time needed on an investment of $400,000 to gained an interest of $60,000 if the interest rate is 3%.
b) 3 burgers and 2 drinks cost $35.00
2 burgers and 1 drink cost $22.00
What is the cost of each item?
4) a) 12 samples of different pastries are on display as customers leave a bakery, they are told that they can choose any 5 samples.
How many different selections can a customer make?
b) The following day 4 drink samples are add and customers are told that they can take 4 pastries samples and 2 drink samples. How many different selections does the customer now make?
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