6(3a-2)+5a=57
18a-12+5a=57
23a-12=57
23a=69
a=3
(26/13) (-7) + 14 - 4
2(-7) + 14 - 4
-14 + 14 - 4
-4
Basically your negatives beside each other turn into a positive because two negatives equals a positive
Answer:
The compound interest one is better by about 14 bucks.
Step-by-step explanation:
Simple interest:
500(1+.06*10)=800
Compound interest:
500(1+.05)¹⁰=814.45
The discount is 30%
Step-by-step explanation:
Given
Price of tape = $60
Discount = $18
In order to find the percentage, we will use the percentage formula

Hence,
The discount is 30%
Keywords: Percent, sale
Learn more about percentage at:
#LearnwithBrainly