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frez [133]
3 years ago
7

There are 25 kids in a class, and the number of boys is 2/3 of the number of girls. How many boys and how many girls are in this

class?
Mathematics
1 answer:
Ksju [112]3 years ago
3 0
25 kids in all
2xboys:3x girls
 
so the equation would be 
2x+3x=25
solve,
5x=25
/5           /5
x=5
2x=10
3x=15


10 boys and 15 girls



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suter [353]
Hi!

1in:4m
3in:xm

3/1 = 3
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1in:4m
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Hope this helps! :)
5 0
3 years ago
Johnson Chemicals is considering two options for its supplier portfolio. Option 1 uses two local suppliers. Each has a "unique-e
sashaice [31]

Answer:

a) P=0.0175

b) P=0.0189

Step-by-step explanation:

For both options we have to take into account that not only the chance of a "superevent" will disable both suppliers.

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As they are, by definition, two independent events, we can calculate the probability of having both events at the same time as the product of both individual probabilities.

a) Then, the probability that both suppliers will be disrupted using option 1 is

P_1=P_{se}+P_{ue}^2=0.015+(0.05)^2=0.015+0.0025=0.0175

b) The probability that both suppliers will be disrupted using option 2:

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3 0
3 years ago
A village lost 15% of its cows in a flood and 10% of the remainder died of
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Answer:

10000 cows.

Step-by-step explanation:

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Total before any losses : (8500/85) x 100 = 10000

7 0
3 years ago
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yaroslaw [1]
To solve this problem you must divide the total salary by the total hours to figure out how much is earned each hour

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8 0
3 years ago
If x^2=20, what is the value of x?
JulsSmile [24]

Answer:

x = 2√5 and x = - 2√5

Step-by-step explanation:

x^2 = 20

x = 2√5 and x = - 2√5

5 0
3 years ago
Read 2 more answers
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