3h + 1 <-5 or 2h - 5 > 7

Help me do this step by step please

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

What term makes it inconsistent y=2x - 4 ?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error