nikeriadenmark63 nikeriadenmark63

17-12-2021
Mathematics

contestada

Twice jack’s age plus 5 is 21.write and solve an equation.how old is jack

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sqdancefan sqdancefan

28-12-2021

Answer:

8

Step-by-step explanation:

If j represents Jack's age, we have ...

2j +5 = 21

2j = 16 . . . . . . subtract 5

j = 8 . . . . . . . . divide by 2

Jack is 8 years old.

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