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30-09-2020
Mathematics

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Mac's age is 3 years less than twice Joe's age. The sum of their ages is 30. Find their ages.

Respuesta :

miafae00 miafae00

30-09-2020

Answer:

Mac is 19 years old, Joe is 11 years old

Step-by-step explanation:

2J - 3 = M

J + M = 30

M = 30 - J

2J - 3 = 30 - J

3J = 33

J = 11

M = 30 - 11

M = 19

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