3 years ago

Xavier is half as old as Jessica. The sum of their ages is 63. How old is Jessica? (

Mathematics

2 answers:

Lana71 [14]3 years ago

6 0

Answer:

31.5

Step-by-step explanation:

Liono4ka [1.6K]3 years ago

5 0

Answer:

let their age be x and y

x=y.......1st equation

2

now,

product of their age

x+y=63

y +y=63 (putting the value of x=y/2)

3y =126

y=126

3

y=42

hence,

age of jessica is y =42.

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