Suppose you deposited $300 in a savings account 4 years ago. The simple interest rate is 3.1% . The interest that you earned in those4 years is $37.20. Which of the following is/are true?

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?