Answer:
20
Step-by-step explanation:
RN is 1/4 of HS, and 5x4=20.
Answer: OPTION B.
Step-by-step explanation:
Given the equation
you can find an equivalent equation by simplifying it.
You need to remember the multiplication of signs:

Now you can apply the Distributive property:

Simplifying the equation, you get:

You can observe that this equivalent equation matches with the equation provided in option B.
Answer:
A rate: a measure, quantity, or frequency, typically one measured against some other quantity or measure.
A unit rate: When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. If you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.
Hope this helps.
Her correct change would be $2.75 cents, to get this answer, just subtract 12.42 from 15.17
Hope this helped you!! ( :
10x3=30 hours
30/4= 7.5 hours to study for each exam