Marie is 13 years older than joanna. the sum of their ages is 55. how old are both of them? needs a let's statement

Marie is 34 and Joanna is 21.

To find this you first subtract 13 from 55. This will give you 42, which you then divide by 2 to find Joanna's age. Finally you simply add 13 to Joanna's age to find Marie's age (34). To check this, add 34 and 21 together, which gives you 55.

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step-by-step explanation: