Mary is five times older than Julian. If the
sum of their ages is 42, how old is Mary?
2 answers:
Answer:
Mary is 35.
Step-by-step explanation:
An equation would be <em>5j + j = 42.</em>
I used substitution by plugging in 7:
5(7) + 7 = 42
35 + 7 = 42
Hope this helps,
♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥
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
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