George went to school for 216 days in a full year. If his attendance in 60%, find the number of days on which the school was opened.

Answers

Answer 1

Answer: Given:
days present = 216 days
percentage of presence = 60%

Find the total number of days the school was opened.

216 days is the part of a whole. 60% is the percentage of the part to the whole.

To get the whole, we need to divide the part by its percentage

216 ÷ 60% = 360 days

The school was opened for 360 days.

Answer 2

Answer: Hi

216 days ⇒ 60%
x days ⇒ 100%

60x = 216·100
60x = 21600
x = 21600/60
x = 2160/6
x = 360 days

Answer: 360 days

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3. Ron used 24 cubes to make this 3-step staircase. If he uses a total of 84 cubes to make a similar staircase, how many steps will the staircase have?

Answers

Divide 24 by 3 to figure out how many cubes are in 1 step (24/3=8). Now divide 84 by 8 to figure out how many steps he built with 84 cubes (84/8=10.5). Ron's second staircase has 10 and a half steps :)

28 steps because 84 divided by 3 equals 28

Six friends share 4 apples equally. How much apples does each friend get?

Answers

1 half.
hope i helped let me know if you got it right tomorrow

4 ÷ 6 = .66

Every friend shares .66 of an apple.

the vertices of a triangle at A(5,-4) ,B(7,0) ,and C(1,-2). if the triangle is a right triangle, which vertex is the right angle

Answers

We can find the right angle of the triangle by finding the slope of the sides .

Any right angle makes an angle of 90 degrees and the lines are perpendicular .

For perpendicular lines product of slopes is -1.

In other words the slopes have opposite signs and are reciprocal .

Let us find the slopes of AB,BC,CA.

Slope of two points can be found by the difference in y values divided by different in x values

Slope of AB= $(0+4)/(7-5) =(4)/(2) =2$

Slope of BC= $(-2-0)/(1-7) =(-2)/(-6) = 3$

Slope of CA= $(-2+4)/(1-5) =(2)/(-4) =(-1)/(2)$

The slopes of AB and CA are reciprocal of each other with opposite signs or we can say their product is -1 so they are perpendicular.

Angle A is the common angle to these sides so we say angle A is the right angle

in a first aid kit the ratio of large bandages to small bandages is 5 to 2. Based on this ratio, how many large bandages are in the kit if there are total of 60 bandages?

Answers

The best way to answer this question is to set up the first sentence as a ratio of large bandages to total bandages. You would write 5 large bandages to 7 total bandages to 7 total bandages. Then you would make this equivalent to x number of large bandages to 60 total. It would look like this 5:7 = x:60. You could use cross products to multiply 60 by 5 to get 300. 7 times x also should equal 300. Unfortunately, this example will not leave us with a whole number of bandages, but 300/7 is a repeating decimal or a mixed number (42 6/7 large bandages).

it said to find an equivalent fraction, divide both the numerator and denominator by the same number,such as 4. How can i do that?!?!?

Answers

So if you had the fraction 2/8 and 1/4 you would divide both 2 and 8 by 2 giving you 1/4. Now you have the fractions 1/4 and 1/4.

What is 15 increased by 60%

Answers

What is 15 increased by 60 percent? Let's work it out!

First, you must know what 60 percent of 15 is.

60 percent of 15
15 times .60
equals
9.

So 60% of 15 is 9.

Increased is a word which means added.

So, 15 plus 9 (15+9) is 24.

Final Answer = 24.

Hope I could help!
Ossashi(◔ ͜ʖ◔)

60% of 15 is:
15* (60/100)= 9

15+9= 24

The final answer is 24.

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