Respuesta :

Answer:

joan is 15

Step-by-step explanation:

27+3=30

30÷2=15

Answer: 15

Step-by-step explanation: so we know that Tony is 27 but he is 3 years less than twice jonas age so first you would add the 3 back to 27 giving you 30 and divide that by 2 and you would have 15

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