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77julia77 [94]
2 years ago
8

o figure out a special number, Tammi’s mother was supposed to double her age and then add 4. Instead, Tammi’s mother added 4 to

her age and then doubled that number. Tammi’s mother thought the special number was 80. What was the special number supposed to be?
Mathematics
2 answers:
Bumek [7]2 years ago
7 0

Answer:

40

her age was 36 she added 4nwhich made 40 then doubles makesn80

Ugo [173]2 years ago
4 0

9514 1404 393

Answer:

  76

Step-by-step explanation:

For age 'a', the special number was supposed to be ...

  2a +4

Tammi's mother actually calculated it as ...

  2(a +4) = 2a +8

a value that is (2a+8) -(2a+4) = 4 more than it was supposed to be.

The special number was supposed to be 80 -4 = 76.

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Step-by-step explanation:

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