Answer:
plot it then see if the line is straight or not
H≥45 in
...
Place a solid dot at 45, because 45 in is part of the solution set, then extend a positive line from that dot going to the right.
Get the value of the decimal:

Remember that percentages are simply the value of a decimal multiplied by 100. (From the Latin, "per centus", meaning "per 100")
therefore: