An algebra problem by Alisha Lal

Algebra Level 1

Maria is 12 years old. The sum of the ages of Maria and John is 60. How old is John?


The answer is 48.

Alisha Lal by Alisha Lal , 25, Fiji

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3 solutions

Mohammad Khaza
Jul 30, 2017

M a r i a + J o h n = 60 Maria+John=60

M a r i a = 12 Maria=12

so, J o h n = 60 − 12 = 48 John=60-12=48 years old

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Munem Shahriar
Jul 1, 2017

Suppose , John's age is x x

Now,

12 + x = 60 12 + x = 60

⇒ x = 60 − 12 = 48 \Rightarrow x = 60 - 12 = 48

Therefore x = 48 x = 48

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Kartik Kulkarni
Jan 6, 2015

Easy

60 - 12 = 48

0 Helpful 0 Interesting 0 Brilliant 0 Confused

x+12=60 x=60-12 x=48 x always come with y so dividing equally between them its 24 each....Looks like someone is going to be 24 soon

Piyush Patnaik - 1 year, 11 months ago

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