Question #1d344

1 Answer
Manikandan S.
Jan 4, 2018

Formulate problem and solve it

Explanation:

Let #x# be Antonio's age and #y# be Sarah's age. Then

#2x+3y = 34#
#y = 5x#

So use equation (2) in (1)

#2x+3(5x) = 34#
#2x+15x = 34#
#17x = 34#
#x = 2#

Then #y = 5x = 5(2) = 10#

So

Antonio's age is 2
Sarah's age is 10

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