Sandirod Sandirod
  • 20-06-2020
  • Mathematics
contestada

Billy's age is twice Joe's age and the sum of their ages is 45. How old is Billy?

Respuesta :

kyang91320
kyang91320 kyang91320
  • 20-06-2020

Answer:

30 years old

Step-by-step explanation:

Joe's age can be set to x. Since Billy is twice as old as Joe, his age can be set to 2x. They add up to 45. You can set up an equation, 2x+x=45.

Simplify the equation.

3x=45, x=15

Joe is 15. Billy is 2(15)=30.

Answer Link

Otras preguntas

Part C In table form, create a list of the positive and negative aspects that music can have on people.
Please help me with this question What is 4% of 300?
I need help with this problem ASAP
I need help please someone help me
The author of the passage describes space food in the past. Then, the author tells about space food in the present and future. How does this way of organizing i
Find the product. Simplify 1/10 times 3/4 A 15/2 B 2/15 C 3/40 D 40/3
hi you gotta say it back with love ok?
Which of these has the BIGGEST negative impact on North Africa’s economy? A) The Savanna’s B) The Sahara Desert C) The Kalahari Desert D) The Mediterranean Sea
Molly is 11 3/4 years old. Kristen is 1 3/8 older than Molly and Jane is 1 1/5 years older than Kristen. How old is Jane?
advantages of wearing a mask​