Applied Maths - Measurement and Word Problems

Extract

[...] Gold Price Growth Trend Problem The price of gold has steadily increased over the years. At the beginning of the year 2000, the price of gold was per gram. If the price of gold increases by 15% annually, answer the following: - What will the price of gold be in 2020? 147.3 - in the year 2010 the price dropped by what would the price of gold be in 2020 (after the drop)? 103.11 - If the price of gold drops by 20% every 5 years (while still increasing 15% annually), what would the price be in 2020? [...]

[...] After dividing the field, the farmer harvests 900 corn cobs. Two of his children together produce only 1/3 of what the farmer harvested. How many cobs did the third child harvest, assuming the entire field is used, and walkways are included? 800 corn 700 corn 600 corn 900 corn 6. The city of London is 75 km north of Leon's house. The nearest burger shop is 12 km east of his house. Leon's school is located 10 km south of the burger shop. [...]

[...] If he leaves at 8:00 AM, what time will he arrive in London? 10:50 10:52 10:54 10:55 10. If Leon is in London and there's a shortcut directly from London to his school, how long is that shortcut? ?7369 km 11. Mr Beast bought a Ferrari for $65,000. After 15 years, he sold it for $45,000. What percentage loss did he get it? 30.75% 30.77% 30.79% 30.70% 12. Mr Beast's car depreciated by $20,000 over 15 years. What was the average annual depreciation? $1,300 $1,200 $1,330 $1,333 13. [...]

[...] Applied Math: Measurement and Word Problems This question is for numbers 1-5 1. In a rural area, there is a large cornfield that measures 100 meters long and 70 meters wide. The field is divided into 70 equal-sized plots. If we ignore the 1-meter wide paths between them, what is the area of each plot? 70 m² 49 m² 100 m² 700 m² 2. A cornfield is divided into 70 equal plots. It takes 30 minutes to water one plot. [...]

[...] A scientist adds a special liquid that causes the virus to grow 4× faster than usual. If the liquid is applied from the start, how many viruses will there be after 110 minutes? (Assume the refrigerator was off from the beginning). 17. Company X recorded the following monthly sales figures (in thousands of dollars) over the course of a year: 125. - Calculate the mean (average) monthly sales 70 - Calculate the standard deviation of data 29.23 - In which month did sales drop drastically? [...]