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Simora [160]
3 years ago
12

Johnson middle school had 240 students last year. This year. There are 192 students. Find the percent of change. State whether t

his percent of change is an increase or decrease???
Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0

Answer:

Step-by-step explanation:

192 ÷ 420 = 0.457

0.457 x 100 = 45.7

But there can't be a percentage increase or decrease because there is no percentage to compare it to, there should be information for the change in students of the last year

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A movie theater has 85 seats. One rainy day in the summer, all seats were sold and the ticket income was $121. If adult tickets
iogann1982 [59]

Answer:

children = 67

Step-by-step explanation:

two equations can be derived from this question

x + y = 85 equation 1

3x + y = 121 equation 2

where x = number of adults

y = number of children

subtract equation 1 from 2

2x = 36

x = 18

substitute for x in equation 1

y = 85 - 18 = 67

5 0
3 years ago
on Monday you buy two apples and three oranges for a total of $14 on Tuesday you buy four apples and five oranges for $24 what d
exis [7]
Equation=2a+3b=$14
=4a+5b=$24

Multiply the first equation by 4 and the second by 2 to get the value of b....
8a+12b=56 -
8a+10b=48
2b=8
b=$4
If the price of an orange is $4 we can now find the price of an apple by
.................2a+(3*$4)=$14
............2a+12=14........2a=2
a=1
So the cost of an apple is $1 and that of an orange is $4
......Hope it helps you
4 0
2 years ago
two cylinders are similar. the surface area of one is 64cm2 and the surface area of the other one is 81cm2. find the scale facto
Kitty [74]

Answer:

this should help I guess pls tell me if it was wrong

7 0
3 years ago
Is this relationship linear, exponential, or neither.<br><br> x -12 -6 0 6<br> y 9 12 20 40
Diano4ka-milaya [45]

Answer:

This appears to be exponential based on the plot of these points

Step-by-step explanation:

See image

5 0
1 year ago
How do I figure this out??
goldenfox [79]
The function is divided by 12, you would find it out by dividing 120 by 10 and getting 12, if you wanted to check your answer, you would do 84 divided by 7 which is 12. the answer to 12 is 1 and 24 is 2. hope this helped :))
7 0
3 years ago
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