Mathematics
Mathematics, 09.11.2021 14:00, rakanmadi87

NEED HELP!! Andre came up with the following puzzle. "I am three years younger than my brother,
and I am 2 years older than my sister. My mom's age is one less than three times my
brother's age. When you add all our ages, you get 87. What are our ages?

a. Try to solve the puzzle.

b. Jada writes this equation for the sum of the ages:
(x) + (x + 3) + (x - 2) + 3(x + 3) -1 = 87.
Explain the meaning of the variable and each term of the equation.

c. Write the equation with fewer terms.

answer
Answers: 2

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Do you know the correct answer?
NEED HELP!! Andre came up with the following puzzle. "I am three years younger than my brother,

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