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Rainbow [258]
3 years ago
15

How do you convert units within a measurement system

Mathematics
1 answer:
Katarina [22]3 years ago
4 0
You will have to write a proportion. Then use common denominators to write equivalent ratios. For example;

What is the weight of a 3 Ib human brain in ounces?
Use a proportion to convert 3 Ibs to oz.

16 ounces ? oz
————— = —————
1pound 3 pounds


Use common denominators to write equivalent ratios.


16•3 ?
----- = --- 3 is a common denominator.
1•3 3

48 ?
--- = ---
3 3

Equivalent rates with the same denominators have the same nominators.

?= 48

The weight is 48 ounces.

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Debbie found a suitcase that was originally 129 but now is on sale for 30% off. If sales tax is 8.75%, what is her final cost?
Marizza181 [45]

Step-by-step explanation:

To find the answer we first multiply 129 by 0.7 since the price descresed 30 percent. each percent is equal to 0.01.

129 * 0.7 = 90.3

Then we multiply 90.3 by 1.0875 since that is the sales tax

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2 years ago
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Eric has 4 pieces of clay he cut out each piece of clay into thirds how many 1/3 size pieces of clay does Eric have
Ivahew [28]

Answer:

ERIC HAD 12 PIECES OF CLAY LEFT

Step-by-step explanation:

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4 0
3 years ago
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NemiM [27]
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6 0
3 years ago
Read 2 more answers
(0.3d-1.5)/3 1/3=0.84:7/15
Anika [276]

Answer:

  d = 25

Step-by-step explanation:

Perhaps you want to solve for d:

  (0.3d -1.5)/(3 1/3) = 0.84/(7/15)

Change the division by a fraction to multiplication by its inverse.

  (0.3d -1.5)·(3/10) = (0.84)·(15/7)

  0.09d -0.45 = 1.8 . . . . . . . . . . . . simplify

  d - 5 = 20 . . . . . . . . . . . . . . . . . . divide by 0.09

 d = 25 . . . . . . . . . . . . . . . . . . . . . add 5

_____

Grouping symbols help show what is being divided by what. Especially where mixed numbers are involved, parentheses help show that the number 3 1/3 is not supposed to be interpreted as the product of 3 and 1/3.

4 0
3 years ago
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