Answer:
15 years old
Step-by-step explanation:
> Let
Jaypee's age = x
Rosanna's age is twice the age of Jaypee so
Rosanna's age = 2x
> On the other hand, the sum of their age is 45 so
Jaypee's age + Rosanna's age = 45
x + 2x = 45
> add similar terms
3x = 45
> solve for x
divide both sides by 3
x = 15
Since Jaypee's age is x, and x = 15, then Jaypee is 15 years old.
>Checking
2x + x = 45
2(15) + 15 = 45
30 + 15 = 45
45 = 45✓
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Answers & Comments
Answer:
15 years old
Step-by-step explanation:
> Let
Jaypee's age = x
Rosanna's age is twice the age of Jaypee so
Rosanna's age = 2x
> On the other hand, the sum of their age is 45 so
Jaypee's age + Rosanna's age = 45
x + 2x = 45
> add similar terms
x + 2x = 45
3x = 45
> solve for x
3x = 45
divide both sides by 3
x = 15
Since Jaypee's age is x, and x = 15, then Jaypee is 15 years old.
>Checking
x = 15
2x + x = 45
2(15) + 15 = 45
30 + 15 = 45
45 = 45✓