Answers
•
- ( The total number of employees in a store)
- ( rate of men = 60 % ; total number of men = 27)•
- ( B= P/R)
- B= P/R
B= 27 / 0.60
B= 45
( The total number of employees is 45)
b. In a department store, 60% of the employees are men. If there are 27 men in the store, how many employees are there all?
ask:
Answers
- What is asked in the problem?
- What are the given information or data that can help us solve the problem?
- What is the formula to be used?
- What is the solution on the given equation?
Drill
Answers
1. A. 68.75
2. C. 7.82 %
3. C. 20 %
4. B. 50
5. B. 160
- The percent of the shirt on sale.
- Original price= 600 php ; discounted price= 360 php
- R=P/B x 100
R = 360 / 600
R = 0.6 x 100 R = 60 %
(The shirt was 60 % on sale)
Finding the missing term.
Choose A if the missing term is Rate; B if Base and C if percentage.
1. 55% of 125 is _____.
2. 9 is ____ % of 115.
3. 23 is what percent of 115?
4. 12 % of ____ is 6
5. 25 % of ____ is 40.
formulas
p= b * r
b = p/r
r = p/b
Let’s see some of the buyer’s problem while they are on a store.
a . A shirt worth 600 php is on sale at 360 php. What percent is the shirt on sale?
First what is Rate and Base?
ask:
Rate: The rate is the percent
Percentage: The result obtained when a number is multiplied by a percent
Base: The base is the amount you are taking a percent of
- What is asked in the problem?
- What are the given information or data that can help us solve the problem?
- What is the formula to be used?
- What is the formula to be used?
quiz
Solve the following word problems:
A. Rosemarie spelled 68 words correctly out of 80. What percent of the words did she spell correctly?
B. There are 10 new pupils in Mrs.Lira’s class. If this is the 5 % of the whole class, what is the total number of Mrs. Lira’s pupils?
assignment
- a rate is the ratio between two related quantities.[1] If the denominator of the ratio is expressed as a single unit of one of these quantities, and if it is assumed that this quantity can be changed systematically (i.e., is an independent variable), then the numerator of the ratio expresses the corresponding rate of change in the other (dependent) variable.
Group Work
Solve word problem:
A. On a Super Sale tiangge, a purple sweater is 25 % off of its original price which costs 160 php. How much will Tina pay for the sweater?
Solve the following.
• During a basketball tournament, a team scored 120 points. Don scored 30 % of the points. How many points did he score?
• 25 % of the class of 40 pupils got a score of 35 and above. How many students score 35 and above?
answers
- ( The number of students who went to the bookstore)
- ( rate of students who went To the book store = 20 % ; Total number of students = 50)
- ( P = B x R)
- P = 50 x 0.20
P = 30
( The number of students who went to Bookstore is 30)
- a base or radix is the number of different digits or combination of digits and letters that a system of counting uses to represent numbers. For example, the most common base used today is the decimal system. Because "dec" means 10, it uses the 10 digits from 0 to 9. Most people think that we most often use base 10 because we have 10 fingers.
c. During the Book Week, 20 % of the 50 students of Miss Lopez went to Maliwanag Bookstore. How many students went to the Bookstore?
Ask:
- What is asked in the problem?
- What are the given information or data that can help us solve the problem?
- What is the formula to be used?
- What is the solution on the given equation?
Solve for the missing terms
• 55% of 125 is _____.
125 x 0.55 = 68.75 Answer
• 9 is ____ % of 115.
9/115 = %/ 100 = 7.82 answer
Review
Solve for the missing terms
• 55% of 125 is _____.
• 9 is ____ % of 115.
Solving word problems involving percentage, rate and base.