Marsha had $4.00 in her pocket in the morning, and Mark had $0.50. Marsha
sells her sweets for $0.25 each, and
Mark sells his for $0.50 each.
If Marsha and Mark both sold the
same number of sweets, and they
have the same amount of money at
the end of the day, how many sweets
did they each sell?

PLEASE EXPLAIN

What is the measure of angle x? answer

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.

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