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SCORPION-xisa [38]
3 years ago
5

Luke has 5 more than triple the number of baseball cards his brother has collected so far. together they have 285 cards. How man

y cards does each person have?
Mathematics
1 answer:
Jlenok [28]3 years ago
6 0

Answer:

Luke: 215

Luke's Brother: 70

Step-by-step explanation:

First we subtract the differences. 285-5=280

Because Luke has triple the amount that his brother have, it means that we can divide the entire amount by 4. 280÷4=70

Luke has (70×3)+5=215

His brother has 70

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3 years ago
Marc is half as old as Tony and three times as old as Ben. If the sum of their ages is 40, how old is Marc?
Murljashka [212]

Answer:

Marc's age is 12

Step-by-step explanation:

Let

x ----> Marc's age

y ---> Tony's age

z ---> Ben's age

we know that

the sum of their ages is 40

so

x+y+z=40 -----> equation A

Marc is half as old as Tony

so

x=\frac{y}{2}

y=2x ----> equation B

Marc is three times as old as Ben

so

x=3z

z=\frac{x}{3} ----> equation C

substitute equation B and equation C in equation A

x+2x+\frac{x}{3}=40

solve for x

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x=40(3)/10\\x=12\ years

therefore

Marc's age is 12

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3 years ago
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kotykmax [81]
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Answer:

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