nesha8
nesha8
07-12-2016
Mathematics
contestada
I don't know what to do ?
Respuesta :
sydneypowell167
sydneypowell167
07-12-2016
enable M = Mary's age now So Mike's age is 3M 3M + 4 = 2 (M + 4) = 2M + 8 Now, subtract 2M from the two factors. then you definitely have: M + 4 = 8 or M = 4 examine: Mike is now 12. In 4 years, Mary would be 8 and Mike would be sixteen.
Answer Link
leeandrews2
leeandrews2
07-12-2016
let x = mary's age
let 3x = mike's age
3x=2x+4 subtract 2x from both sides
x=4
Mary is 4 years old.
Brainliest would be appreciated :)
Answer Link
VER TODAS LAS RESPUESTAS ( 92+ )
Otras preguntas
You are building a rectangular dog pen with an area of 90ft^2. You want the length to be 3 ft longer that twice it's width. What equation would you use to fin
which expressions are equivalent to the one below check all that apply 4^3 * 4^x a. 4^3x b. 64 * 4^x c. 4^3-x d. (4* x)^3 e. 4^3+x f. 16^3x
What is the missing exponent? 64/81 = (8/9)?.
PLEASE HELP what is a division question with the solution of 42?
Can someone help me with this question please?
p(a)=0.5 p(a|b)=25 p(b|a)=0.2 find p(b) and find p(not b|not a)
A shirt is priced at $12. What is the price after a 5% discount and 6% sales tax?
Which of the following most accurately represents historical significance of queen Nefertiti A) she was a powerful pharaoh one of only three female pharaohs in
Which sentence would make the best hook for an introductory paragraph about the Mayan calendar? Imagine life without a calendar—would our society collapse?
Carl has 1 7/10 as many plants as Rosalie in his garden. If Carl grew 51 plants how many plants does Rosalie have in her garden?
