Choose a number line to model the following situation:
after eating a 100-calorie snack, mark exercised to burn 100 calories.
a horizontal number line is shown with labels at 0, 100, and 200. a purple arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100. a red arrow (labeled burns 100 calories) begins at 100 and ends at 200.
a horizontal number line is shown with labels at 0, 100, and 200. a purple arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100. a red arrow (labeled burns 100 calories) begins at 200 and ends at 100.
a horizontal number line is shown with labels at negative 100, 0, and 100. a purple arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100. a red arrow (labeled burns 100 calories) begins at 0 and ends at negative 100.
a horizontal number line is shown with labels at 0 and 100. a purple arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100. a red arrow (labeled burns 100 calories) begins at 100 and ends at 0. a b c or d