Adance contest gives each dancer 45 seconds to compete. in all, there are 72 dancers competing. for how many total seconds are dancers allowed to compete? solve the problem in two different ways. pls send a picture i need to show my work and a explanation pls

3240 seconds or 54 minutes

Step-by-step explanation:

45*72=3240

or

45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45=3240

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step-by-step explanation: