Answer:
Step-by-step explanation:
Hope this helps
Das coo den den yu said the most recent series
1- 6/15 2-104/312 You just do rise over run!!!
Answer: 40 %
Step-by-step explanation:
Let the amount of one card = x
Hence, the value of 20 cards ( Principal amount ) = 20x
And, the value of 22 cards ( Total amount after 3 month ) = 22x
⇒ Total interest in 3 month = 22x - 20x =2x
Let the annual interest rate = r %
( By the formula of simple interest rate )




Hence, the annual rate of interest = 40%
Answer:
310 - 3w
310 - 3(80) = $70
Step-by-step explanation:
310 - 30w
w = 8
310 - 30(8)
310 - 240
= 70