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3 years ago

What is 33 1/3% of 60

Mathematics

2 answers:

Montano1993 [528]3 years ago

8 0

33 1/3%, or just one third (1/3) of 60 would be 20.
This is because 60/3=20, or 60*(1/3).

bezimeni [28]3 years ago

3 0

Answer:

Step-by-step explanation:

33 1/3 of 60

= 100/3 × 60

= 100 × 20

= 2000

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Answer: C. Rickys rate was 0.25 more per hour" .

Step-by-step explanation:

Susan received $27 for 6 hours of work. Susan's rate we hour will be:

= $27/6

= $4.5

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= $14.25/3

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3 years ago

A man is distributing his coin collection with 35 coins to his five grandchildren. How many ways are there to distribute the coi

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Answer:

a) $82251$

b) $2.91038 \cdot 10^{24}$

c) $1$

d) $3.17746\cdot 10^{21}$

Step-by-step explanation:

a) If the coins are all the same, we have a combination of 35 identical coins in 5 persons.

The amount of combinations is

$\binom{n+r-1}{r-1}=\binom{35+5-1}{5-1}=\binom{39}{4}=\frac{39!}{4!35!} =82251$

being n the number of coins and r the number of grandchildren.

b) If the coins are different, the number of combinations can be calculated as:

$r^n=5^{35}=2.91038 \cdot 10^{24}$

c) If the coins are all the same, and each grandchild gets the same number of coins, there is only one combination for that (everyone gets 35/5=7 coins)

d) If the coins are all distinct, but each of the grandchildren get the same numer of coins, the expression to calculate this is:

$\frac{n!}{(n/r)!^r} =\frac{35!}{(35/5)!^5}=\frac{35!}{7!^5}=\frac{1.03331\cdot 10^{40}}{3.25202\cdot 10^{18}} =3.17746\cdot 10^{21}$

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