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PLEASE HELPPP!!!

The graph below shows the time it takes Michael to solve 30 multiplication
flash cards over 7 attempts. By how many seconds did his time improve from
Attempt 3 to Attempt 7? Do not include units in your answer.

PLEASE HELPPP The graph below shows the time it takes Michael to solve 30 multiplication flash cards over 7 attempts By how many seconds did his time improve fr class=

Respuesta :

Answer:

24

Step-by-step explanation:

Im not sure by 64-40=24?

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