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Answered

santos is 30 years older than his daughter julia if their ages are increased by 10% and added together the sum is 77 how old is santos​

Sagot :

LEONALYNTAYONEIN

Answer:

Santos = 50yo

Step-by-step explanation:

Let N for Santos Age

J for Julia Age

N = J + 30

[0.1(J+30) + (J+30)] + (0.01J + J) = 77

0.1J + 3 + J + 30] + 1.1J = 77

2.2J + 33 = 77

2.2J = 77 – 33

J = 44/2.2

J = 20

N = 20 + 30

N = 50

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