PLEASE HELP 99 students were asked what type of phone do they have? There was a ratio of 4 android devices to 5 Apple devices. How many people had Android devices?

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?