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kogti [31]
3 years ago
9

Pamelas age is 3 times Jiris age. The sum of their ages is 96. What is Jiris age?

Mathematics
2 answers:
LiRa [457]3 years ago
8 0

Answer:

32

(32 x 3 ) 96

(96 divided by 3) 96

Step-by-step explanation:

tell me if this isnt right and report it, i want u to get it right. :)

Nat2105 [25]3 years ago
7 0

Answer:

Jiri is 24 years old.  

Step-by-step explanation:

Let "J" represent Jiri's age.

We could use "P" to represent Pamela's age, but that wouldn't help us in solving this problem.

However, we do know that Pamela's age is 3 times Jiri's age, so we can write Pamela's age to be 3J (3 times Jiri's age.)

We also know that the sum of their ages is 96.

Thus, we have: Jiri's Age + Pamela's Age = 96 years of age.

And: J + 3J = 96

Simplifying, we obtain: 4J = 96

Divide by 4 on both sides: J = 24

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<h3>Answer:   choice F) 12 & 1/2 square yards.</h3>

=====================================================

We'll use this formula

a & b/c = (a*c + b)/c

to convert from a mixed number to an improper fraction.

Let's convert the first mixed number to an improper fraction

a & b/c = (a*c + b)/c

3 & 3/4 = (3*4 + 3)/4

3 & 3/4 = 15/4

Repeat the same idea for the second mixed number as well

a & b/c = (a*c + b)/c

3 & 1/3 = (3*3 + 1)/3

3 & 1/3 = 10/3

--------------------

In short we have

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Doing these conversions is useful to be able to multiply the values like so:

(15/4)*(10/3) = (15*10)/(4*3) = 150/12 = (6*25)/(6*2) = 25/2

Now use your calculator to find that 25/2 = 12.5

We can then say....

12.5 = 12 + 0.5 = 12 + (1/2) = 12 & 1/2

The answer is choice F) 12 & 1/2 square yards.

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Step-by-step explanation:

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