maddie5824 maddie5824

21-11-2019
Mathematics

contestada

Mary is five times older than Julian. If the
sum of their ages is 42, how old is Mary?

Respuesta :

bentyfilms bentyfilms

21-11-2019

Answer:

35

Step-by-step explanation:

M=5J

J=M/5

42=6J

42/6=7

Jullian is 7

7x5=35

Mary is 35

35+7=42

Answer Link

DreamyboatSC DreamyboatSC

21-11-2019

Answer:

Mary is 35.

Step-by-step explanation:

An equation would be 5j + j = 42.

I used substitution by plugging in 7:

5(7) + 7 = 42

35 + 7 = 42

Hope this helps,

♥A.W.E.S.W.A.N.♥

Answer Link

Otras preguntas

Doing some more so please help

1.Scientists in a lab are working on a series of experiments that involve colliding two or more atomic nuclei at very high speeds to form a new type of atomic n

Characterize the main characters in The Outsiders. Are they developed /complex characters? If so, what makes them complex? What makes them round, or flat charac

Which is a solution to the system of equations?

What is the greatest common factor of 19x7 and 3x5?

create an example of a real-world problem that could be solved using a trigonometric function.

Which of the following correctly pairs the continent with its associated trade goods during the height of the triangular trade system? Europe: guns, rum; A

PLEASE HELP Michaels home is 12 feet below sea level in his mothers home is 12 feet above sea level Michael says their homes are at opposite elevation is

Explain the distribution of life in an aquatic system

What is the image point of (5,0)(5,0) after a translation left 2 units and down 4 units?