menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Sam is 3 years younger than Marco. Marco is 15 years old. How old is Sam? Let X represent Sam's age (there are 2 correct answers) x + 15 = 3 x + 3 = 15 15 / x = 3 << the slash is divided 3 x = 15 15 - x = 3
asked
May 2, 2017
21.4k
views
5
votes
Sam is 3 years younger than Marco. Marco is 15 years old. How old is Sam?
Let X represent Sam's age
(there are 2 correct answers)
x + 15 = 3
x + 3 = 15
15 / x = 3 << the slash is divided
3 x = 15
15 - x = 3
Mathematics
middle-school
Luccas Clezar
asked
by
Luccas Clezar
8.3k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
2
votes
s = m - 3
m = 15
x = 15 - 3
x = 12
the answer is the 2nd one
Michael Arrison
answered
May 5, 2017
by
Michael Arrison
7.4k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.3m
questions
12.0m
answers
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org