Tapiwa raked 5% more leaves than adam raked. together they raked 697 liters of leaves. how many liters of leaves did adam rake?

Me. i can't figure out this question. give an explanation too. .

Y=21.95x+10 y=22.45x solve by substitution

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?