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2 years ago

5

John has 20 pieces of candy left for Halloween.He gave his brother 3 pieces his parents 4 pieces and his dog ate 1 piece.How man

y pieces dose he have left?Write it as a FRACTION DECIMAL and PERCENT.
Someone Help MEEE

1 answer:

andrew11 [14]2 years ago

7 0

He gave away 8 so he would have 12/20 which is 60% left :)

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Any suggestions or ideas

kirill115 [55]

That will be D good sir

4 0

2 years ago

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12.what is the probability that a boy and a girl chosen randsomly will be seniors?

zhenek [66]

$\frac{\textbf{1}}{\textbf{20}}$

Step-by-step explanation:

Probability= $\frac{\text{number of favourable outcomes}}{\text{total number of outcomes}}$

Probability for a randomly chosen girl to be senior= $\frac{\text{number of senior girls}}{\text{total number of girls}}$

Probability for a randomly chosen girl to be senior= $\frac{7}{8+11+9+7}=\frac{7}{35}=\frac{1}{5}$

Probability for a randomly chosen boy to be senior= $\frac{\text{number of senior boys}}{\text{total number of boys}}$

Probability for a randomly chosen girl to be senior= $\frac{9}{10+7+10+9}=\frac{9}{36}=\frac{1}{4}$

For two independent events,

Probability for both event 1 and event 2 to take place= $\text{probability of event 1} \times \text{probability of event 2}$

Since choosing boys and girls is independent,

Probability for both boy an girl chosen to be senior= $\text{probability for boy to be senior}\times\text{probability for girl to be senior}$

Probability for both boy and girl chosen to be senior= $\frac{1}{5} \times \frac{1}{4} = \frac{1}{20}$

So,required probability is $\frac{1}{20}$

3 0

3 years ago

77+ 2(3x – 5) = 8 – 3(2x + 1)<br> 78 2 + 3(2 -7) – 0 - 13 I 1).

nika2105 [10]

Answer:

-31/6

Step-by-step explanation:

77+2(3x-5)=8-3(2x+1)

77+6x-10=8-6x-3

77-10+6x=8-3-6x

67+6x=5-6x

67+6x-(-6x)=5

67+6x+6x=5

67+12x=5

12x=5-67

12x=-62

x=-62/12

simplify

x=-31/6

3 0

2 years ago

Select all the statements that are true for the graph shown

SVEN [57.7K]

Answer:

there is nothing to prove

Step-by-step explanation:

6 0

2 years ago

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15. Sonny has $75 to spend. The purchase he wants to make requires

7nadin3 [17]

If he has $75 and need $93 to make the purchase, he needs to find the difference between what he needs and what he has:

93 - 75 = 18

He needs to borrow $18 to make the purchase.

3 0

2 years ago

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