Question

From 300 feet above sea level, Tom took off in his helicopter and ascended 900 feet. Which integer represents Tom's elevation now?

Answer 1

he is 300 ft above sea level and then take a helicopter and ascended 900 ft

so

300 + 900 : 1200 ft above sea level

Answer 2

Old position =-300
Ascend position =900



-300+900=600feet