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Triss [41]
3 years ago
12

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

<u> </u><u> </u><u> </u><u> </u>2

now,

product of their age

x+y=63

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

2

<u>3</u><u>y</u><u> </u>=126

y=<u>1</u><u>2</u><u>6</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>3

y=42

hence,

age of jessica is y =42.

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