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

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