Antonio burns 75 calories for every 15 minutes

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Miriam bought a bushel of apples from the apple orchard to bake apple pies for a bake sale. she started with 126 apples. after the first day of baking, she had 108 apples left. after the second day, she had 90 apples. after the third day, she had 72 apples left. if she continues this pattern, how many apples will she have left after 7 days of baking? apples