The thousandths place is the third digit after the decimal point.
5 is in the thousandths place since it is the third digit after the decimal.
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Answer:
5. there was a: 18% decrease.
6. if the intial value was 285 and there was a 15 difference then the final value is 300. The change is 5.26%.
7. She has a 33.3333 % increase
8. The amount of students increased by 23.0769%
I hope this somewhat helps
If the length of rectangular school hall is 4 times the width and the perimeter be 55m, then the length is 22m and the width of the school hall be 5.5m.
Given that the length of rectangular school hall is 4 times the width.
We are required to find the length and breadth of the rectangle which has the length be 4 times the width.
Perimeter of rectangle is the sum of all the length and breadth of that rectangles.
Perimeter of rectangle is given as 55m
Perimeter=2(L+B)
let the width of rectangle be x.
Length of that rectangle be 4x.
According to question,
2(x+4x)=55
2*5x=55
10x=55
x=55/10
x=5.5 m
Width be 5.5 m.
Length of rectangle be 4*5.5=22m.
Hence if the length of rectangular school hall is 4 times the width then the length is 22m and the width of the school hall be 5.5m.
Learn more about perimeter at brainly.com/question/19819849
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Answer:
Step-by-step explanation:
<u>The scale is</u>
- 1/8 in = 10 miles
- 1/8*8 in = 10*8 miles
- 1 in = 80 miles
<u>Then</u>
<u>Cross multiplication</u>
- x - 248
- 1 - 80
- x = 248/80 = 3.1 in
Answer:
Let's say the number of boys is X and the number of girls is Y.
Then we have 35 students in the class, this means X+Y=35
The ratio of boys to girls is 3:4, so if we multiply the number of girls (Y) in the class by 3 and the number of boys (X) by 4 they should be equal 4x=3y
Now we have 2 with 2 variables
Let's multiply the first equation by 4, 4x+4y=140
Now replace the 4x with 3y, 7y=140
So we have 20 girls in the class (y=20) and 15 boys (20+15=35)
The answer is: we have 5 more girls in the class
