For the inequality 5k>100, Keegan says 30 and 100 are both solutions. Is he correct?

2-digit numbers less than 91 which are 1 less than a multiple of 10

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Using elimination, what is -4x+2y=-12 4x+8y=-24