Choose a quantity to be represented by a variable, then write a mathematical expression for each. Do not solve. 1. Angelo's age in 5 years 2. A three-digit number whose hundreds digit is half the tens digit and the tens digit is 2 more than the units digit 3. The total interest earned after one year when Php 100 000 is invested, part of 6% annual interest rațe and the remaining part at 7.5% annual interest rate 4. The distance travelled by a man driving at the rate of 60 kph 5. The total distance travelled by a boat 1 hour upstream and 30 minutes downstream in which the rate of current is 3 kph 6. The fraction of work done by a man who can finish a job in 2 hours

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
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Chapter9: Roots And Radicals
Section9.4: Multiply Square Roots
Problem 314E: Suppose a third section will be added to the garden in the previous exercise. The third section is...
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Choose a quantity to be represented by a variable, then write a mathematical expression for each.
Do not solve.
1. Angelo's age in 5 years
2. A three-digit number whose hundreds digit is half the tens digit and the tens digit is 2 more
than the units digit
3. The total interest earned after one year when Php 100 000 is invested, part of 6% annual
interest rațe and the remaining part at 7.5% annual interest rate
4. The distance travelled by a man driving at the rate of 60 kph
5. The total distance travelled by a boat 1 hour upstream and 30 minutes downstream in which
the rate of current is 3 kph
6. The fraction of work done by a man who can finish a job in 2 hours
7. The percentage of alcohol in a mixture of 3/4 liter of pure water and x liters of 8% alcohol
solution
8. The age of a woman 15 years ago
9. The perimeter of a rectangle whose length is twice the width
10. The sum of three consecutive even integers
11. A three-digit number whose hundreds digit is twice the tens digit and the tens digit is 3 more
that the units digit
12. The total peso value of 20 coins consisting of P5-coins and P10-coins
13. The total distance travelled by a boat 30 minutes upstream and 25 minutes downstream in
which then rate of the current is 2 kph
14. The fraction of work done by a man who can finish a job in 3 hours and 20 minutes
15. The percentage of alcohol in a mixture formed by combining 1 liter of pure water and x
liters of 40% alcohol solution
Transcribed Image Text:Choose a quantity to be represented by a variable, then write a mathematical expression for each. Do not solve. 1. Angelo's age in 5 years 2. A three-digit number whose hundreds digit is half the tens digit and the tens digit is 2 more than the units digit 3. The total interest earned after one year when Php 100 000 is invested, part of 6% annual interest rațe and the remaining part at 7.5% annual interest rate 4. The distance travelled by a man driving at the rate of 60 kph 5. The total distance travelled by a boat 1 hour upstream and 30 minutes downstream in which the rate of current is 3 kph 6. The fraction of work done by a man who can finish a job in 2 hours 7. The percentage of alcohol in a mixture of 3/4 liter of pure water and x liters of 8% alcohol solution 8. The age of a woman 15 years ago 9. The perimeter of a rectangle whose length is twice the width 10. The sum of three consecutive even integers 11. A three-digit number whose hundreds digit is twice the tens digit and the tens digit is 3 more that the units digit 12. The total peso value of 20 coins consisting of P5-coins and P10-coins 13. The total distance travelled by a boat 30 minutes upstream and 25 minutes downstream in which then rate of the current is 2 kph 14. The fraction of work done by a man who can finish a job in 3 hours and 20 minutes 15. The percentage of alcohol in a mixture formed by combining 1 liter of pure water and x liters of 40% alcohol solution
Classify the entries in the list below as:
• an English noun, or a mathematical expression
• an English sentence, or a mathematical sentence In each sentence (English or
mathematical), circle the verb.
How to read
Classification
1. 12-12=24
2. y + 4
3. 10x (x + 1)
4. The square root of four is two.
Transcribed Image Text:Classify the entries in the list below as: • an English noun, or a mathematical expression • an English sentence, or a mathematical sentence In each sentence (English or mathematical), circle the verb. How to read Classification 1. 12-12=24 2. y + 4 3. 10x (x + 1) 4. The square root of four is two.
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