7. How much would you have to invest when you are 20 years old at 9% compounded monthly to end up with a dollars by age 48? Round your answer to the nearest thousand. 1, 000, 0 a. $171,000 b. $81,000 -09 TT0-d8 (+1) c. $166,000 d. $89,000 e. None of these 6. 8. Inflation has been ranning 6% per year. A car now costs $32.000. How much would it have cost 9 years ago? a. $18,940.004 b. $18,335.83 C$19,090.75 d. $18.940.75 e. None of these oradeid Find the effective annual interest rate of 4% compounded quarterly. Round to the nearest hundredth. - /- raff=(+ a. 4.31% b. 4.25% c. 4.75% d. 4.06% e. None of these o1 00 0,22 309- S

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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.