Answer:
Number of gallons of strawberries will she have picked in 2 hours is, 3
Step-by-step explanation:
Unit rate defined as the rate are expressed as a quantity of 1, such as 4 feet per second or 6 miles per hour, they are called unit rates.
Given the statement: Jen picked 3/4 of a gallon of strawberries in half an hour.
⇒ In
hour Jen picked
gallon of strawberries.
Unit rate per hour = 
To find the number of gallons will she have picked in 2 hours.

=
Therefore, the number of gallons will she have picked in 2 hours is, 3
Answer:
A restaurant surveys all its breakfast customers about meal quality.
A company that produces natural food flavorings conducts taste tests with all its employees.
A veterinarian collects information from his or her clients about dog food brand preferences.
Step-by-step explanation:
40x = x+4
x= (x+4)/40
x= x/40+4/40
x-x/40= 4/40
(40x-x)/40= 1/10
39x/40= 1/10
39x= 1/10*40
x= 4/39
Answer:
son's present age = 30
father's present age=60
Step-by-step explanation:
his son's present age = x years
his father's present age = 2x years
before 20 years his son's age=(x-20) years
before 20 years father's age=(2x-20) years4(x-20)=(2x-20)
4x-80=2x-20
4x-2x=80-20
2x=60
x=30
Answer: c. Describe the data
Step-by-step explanation:
Description of data involves the use of descriptive statistics to analyse/summarize a set of data (from samples) generated during a research.
Some of the process involved in the description of data involves the measure of central tendency ( averages, mean, median mode) and also measure of dispersion and graphing. Therefore, the case above described the data collected.