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Vanyuwa [196]
3 years ago
14

Suppose that an elementary school starts a recycling program. After one year, the school has

Mathematics
1 answer:
Kruka [31]3 years ago
5 0

Answer:

15% is reduced

Step-by-step explanation:

I always start by finding what 10% and 5% is, after that, I try to see how I can make that into the number subtracted and for this it happened to be 15% I found that 10% was 14,400 and 5% was 7,200 and I found the total amount reduced was 21,600 which is 14,400+7,200 or 10%+5%

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The value of Rita’s house increased by 5%.
Svetach [21]

Answer:

200,000

Step-by-step explanation:

6 0
2 years ago
A school has 63% percent girls and 37%, percent boys. If 23%, percent of the girls wears contacts and 42%, percent of the boys w
Degger [83]

Answer:

30% students

Step-by-step explanation:

Let x be the number of total students of a school.

63% are girls then total number of girls = (0.63)x

37% are boys then total number of boys = ( 0.37)x

Now 23% of girls wear contacts then total number of girls

= (0.63x) × 0.23

=  (0.1449x)

And 42% of boys wear contacts then total number of boys wearing contacts

= (0.37x) ( 0.42)

= (0.1554)x

Total students wears contacts = ( 0.1449x) + (0.1554x)

                                                  = (0.3003x)

Percentage of students wear contacts = \frac{\text{total students wear contacts}}{\text{total students in school}} × 100

= \frac{0.03003x}{x} × 100

= 30%

All 30% students wear contacts.

4 0
3 years ago
Complete the table by converting each decimal to a fraction.<br> Will mark brainliest
Gelneren [198K]
0.31..= 31/100
0.215..=43/200
0.6704..=419/625
• I hope this helped you, and if you want to see if my answers are correct, simply divide the fractions and see if you’re gonna get the decimals.
8 0
3 years ago
6 QUESTIONS!! Simplify, thankyou!!
dezoksy [38]

Answer: Check explanation

Step-by-step explanation: -g-6, 9d+3, -12y+20, 14n-29, -2c, x+21/2

3 0
2 years ago
Read 2 more answers
(BEGINNER LEVEL, Picture provided) Use the line of best fit to predict the total amount of money earned in tips after working 12
Anni [7]
It is 110

Slope of the line is 10x So you will earn 110$ in 12 hours.
6 0
2 years ago
Read 2 more answers
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