Sarah went hiking on mt. edwards. on monday she started at an elevation of 27 meters below sea level. on tuesday she went 10 meters up then descended 3 meters. what is nancus elevatoin at the end of the day on tuesday

20 meters below sea level

Step-by-step explanation:

The sea level is Reference point, any point below the sea level will be negative and any point above the sea level will be a positive

She started at 27 meters below sea level on Monday =-27 meters

Tuesday she went up 10 meters from -27=-27+10=-17, 17 meters below sea level. She also descended 3 meters below -17 m=-17-3= -20 meters

Final position on Tuesday= -20 meter or 20 meters below sea level

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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