The given data is proportional because, we get 3.15 when Quantity y is divided by Quantity x, y/x = 3.15
Given,
The data;-
Quantity x; 2 , 6 , 9 , 5 , 1
Quantity y; 6.3, 18.9, 28.35, 15.75, 3.15
We have to find the proportionality between the data set given;-
Lets see the proportionality;-
Quantity y ÷ Quantity x
6.3 ÷ 2 = 3.15
18.9 ÷ 6 = 3.15
28.35 ÷ 9 = 3.15
15.75 ÷ 5 = 3.15
3.15 ÷ 1 = 3.15
Here,
The given data is proportional because, we get 3.15 when Quantity y is divided by Quantity x, y/x = 3.15
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Answer:
$6
Step-by-step explanation:
250 text messages = $5
300 text messages = 
× $5
= $6
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6 is the least common denominator
Answer: $12000 was invested at 7% while $8000 was invested at 9%.
Step-by-step explanation:
Based on the information given in the question, let the amount that was invested at 7% be n.
Therefore,
0.07n + 0.09(20000 - n) = 1560
0.07n + 1800 - 0.09n = 1560
-0.02n = 1560 - 1800
-0.02n = -240
n = 240/0.02
n = 120
Therefore, $12000 was invested at 7% while $8000 was invested at 9%.
Answer:
C. 5/8+3/8=8/8
Step-by-step explanation:
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