At 12:00 P.M., the water pressure on a submarine is $435$ pounds per square inch. From 12:00 P.M. to 12:30 P.M., the water pressure increases $58$ pounds per square inch. From 12:30 P.M. to 1:00 P.M., the water pressure decreases $116$ pounds per square inch. What is the water pressure at 1:00 P.M.?

Question

At 12:00 P.M., the water pressure on a submarine is $435$ pounds per square inch. From 12:00 P.M. to 12:30 P.M., the water pressure increases $58$  pounds per square inch. From 12:30 P.M. to 1:00 P.M., the water pressure decreases $116$ pounds per square inch. What is the water pressure at 1:00 P.M.?

oobleck · Answer

435 - 58 -116 = ____ see? You can type numbers without those pesky $$ signs!