Svetakotok
23.01.2021 •
Mathematics
Jack is x years old.
Eric is three times Jack's age.
Mary is 50 years old.
She is 2 years older than Eric.
How old is Jack?
(2 marks)
Solved
Show answers
More tips
- H Health and Medicine Get Rid of Warts: Simple and Effective Ways...
- S Style and Beauty How to Choose the Perfect Hair Color?...
- C Computers and Internet Best iPad Games: Our Opinion...
- A Animals and plants Man s Best Friend: Which Dog Breed Is the Most Friendly?...
- H Health and Medicine 10 Simple Techniques on How to Boost Your Mood...
- G Goods and services How to Choose the Right High Chair for Your Baby?...
- S Style and Beauty Learn how to tie a keffiyeh on your head like a pro...
- S Style and Beauty How to braid friendship bracelets?...
Answers on questions: Mathematics
- M Mathematics Maria spent 1/5 of her savings on a storybook. she spent 3/8 of the remaining amount on a comic book. what fraction of her savings was spent on a comic book?...
- E English Which sentences are punctuated correctly? check all that apply. a) andrew’s favorite vegetables are: cucumbers, green beans, and red peppers. b) darren told me about his travels to...
- B Biology Upon arriving at a crime scene in 1950, Blake finds dried blood throughout the room. The are three suspects in custody, each of whom has a different blood type. Which scientist s contribution...
Ответ:
Jack is 16
48 divided by 3= 16
Eric is 48
50-2=48
Ответ:
The first step is to find the age of Eric, who is 2 years younger than Mary. Mary is 50 years old, so 50-2=48. Since Eric is three times Jacks age, we have to divide 48 by 3 to find his age. This comes to 16.
(50-2)/3=x
Ответ:
Step-by-step explanation:
Add 3 to both sides
16a-3y+3y=12+3y
Simplify
16a=12+3y
Divide both sides by 16
16a/16 = 12/16 + 3y/ 16
a= 12+ 3y/16