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3 years ago

Jill's pencil is 10, 2/ 5

Mathematics

2 answers:

Effectus [21]3 years ago

7 0

Answer:

Jenny's pencil is 3.1 cm longer than Jill's pencil

Step-by-step explanation:

Given that Jill's pencil is 10 2/5 cm while jenny's pencil is 13.5 cm then to know how much longer jenny's pencil is than Jill's you apply subtraction.

Jenny's pencil length - Jill's pencil length

13.5 cm - 10.4 cm = 3.1 cm

Mazyrski [523]3 years ago

5 0

9514 1404 393

Answer:

3.1 cm

Step-by-step explanation:

The difference in lengths is ...

13 5/10 - 10 4/10 = 3 1/10 . . . centimeters

Jenny's pencil is 3.1 cm longer than Jill's.

<em>Comment on the subtraction</em>

Above, we have converted both numbers to mixed numbers with a common denominator. You can just as easily convert both numbers to decimal values.

10 2/5 = 10 4/10 = 10.4

Then 13.5 -10.4 = 3.1, as above.

The wording "how much longer is A than B?" means, "what is the difference A - B?" That difference is found by subtraction. Many graphing calculators will let you enter mixed numbers as part of an expression, so your calculator may be able to find this value for you.

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