Answer:
To find the percent of change, divide the difference by the original amount.
Step-by-step explanation: The difference is 20-19=1. Divide this by the original to get 0.05. This means you got a 5% discount (move the decimal two places)
Answer:
'Seven-eighths of
is added to 12' can be represented algebraically as:

Step-by-step explanation:
Given:
Verbal phrase : 'Seven-eighths of
is added to 12'
To write the verbal phrase into an algebraic expression.
Solution:
The verbal phrase 'Seven-eighths' means 7 parts out of 8 and tus can be represented as a fraction = 
'Seven-eighths of
' : The phrase represents the fractional part of variable
.
Thus, we have : 
'Seven-eighths of
is added to 12' can be represented algebraically as:

Answer:
The legs are side "X" and side 4
Hope this helps :)
Step-by-step explanation:
Answer:
156
Step-by-step explanation:
39x4 = 156
Simple multiplication :)
Hope this helps, and please mark me brainliest!