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professor190 [17]

3 years ago

13

paul can finish painting a fence in 2 hours if jane douse the job alone she can finish it in 5 hours how long will it take them

to finish the same job?

1 answer:

NeTakaya3 years ago

4 0

Answer: 40 minutes

Step-by-step explanation:

2/5 = .4 so it would be 40 minutes

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SVETLANKA909090 [29]

Answer:

$\huge\boxed{\bf\:c = \frac{11}{4}}$

Step-by-step explanation:

$4c + 2c = 4c + \frac{11}{2}$

Cancel 4c on both the sides of the equation.

$2c = \frac{11}{2}$

Bring the 2 in the denominator of 11/2 to the left hand side of the equation.

$2*2c = 11\\4c = 11$

Bring 4 to the right hand side if the equation.

$\boxed{\bf\:c = \frac{11}{4}}$

$\rule{150pt}{2pt}$

4 0

2 years ago

ki77a [65]

Answer:

Step-by-step explanation:

$3\frac{1}{2}=\frac{(3*2)+1}{2}=\frac{7}{2}\\\\\\3\frac{1}{2}*\frac{2}{5}=\frac{7}{2}*\frac{2}{5}=\frac{14}{10}$

4 0

3 years ago

Suppose you draw a card from a well-shuffled deck of 52 cards. Find each of the following odds.

garik1379 [7]

1) number of cards that aren't : number of cards that are 3
we have 48 cards that arent 3 and 4 cards that are. that means that odds are:
12:1 of not drawing 3

2) fallow same logic. its just opposite.
1:12

3) same logic. but there are only 2 black 7 cards which means that odds are:
50:2 or
25:1

4) opposite of previous.
1:25

6 0

3 years ago

Read 2 more answers

Clare is painting some doors that are all the same size. She used 2 liters of paint to cover 135 doors. How many liters of paint

pashok25 [27]

Answer:

uhh 25%

Step-by-step explanation:

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3 years ago

The total mass of 25 candy bars is 2 kilograms. What is the mass of each candy bar in grams?

LuckyWell [14K]

The mass of each candy is 80 grams

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2 years ago