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yan [13]
3 years ago
11

Mary increased the amount of vitamin C she takes each day from 48 mg to 54 mg. By what percentage did Mary increase the amount o

f vitamin C she takes each day?
Mathematics
1 answer:
kari74 [83]3 years ago
5 0
% CHANGE FORMULA:
(New # - Original #) ÷ Original # x 100

=(54mg - 48mg)/48mg * 100
=6/48 * 100
=0.125 * 100
=12.5% increase

Hope this helps! :)
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12
choli [55]

Answer:

$29.50

Step-by-step explanation:

The price that Rob paid includes a 15% discount.  This means that Rob paid 85% of the original price.

100% - 15% = 85%

Divide the price Rob paid by the percentage the price is of the total.

85% = 0.85

50.15/0.85 = 59

Now, divide the total price by 2 so that you can find the price of one pair of jeans.

59/2 = 29.50

The price of one pair of jeans is $29.50

5 0
3 years ago
The sum of fifteen and six times a number t is eighty one what is the number
yKpoI14uk [10]

Answer: t=11 :))


Step-by-step explanation:

15+6t=81

6t=81-15

6t=66

6t/6=66/6

t=11

7 0
3 years ago
The point (5, -1) is a solution of the equation: y = 2x − 11 question 28 options: true false
kkurt [141]
True
This is because on replacing for x=5;
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8 0
3 years ago
Hiros family lives 448 kilometers from the beach.Each of the 5 adults drove the family van an equal distance to get to and from
Drupady [299]

Answer:

179.2km

Step-by-step explanation:

The distance from their house to the beach is 448km. Now they have to drive to and from the beach. The total distance traveled by the family is 448km + 448km.

This is equal to 896km. Now we have 5 adults who took their turns to drive and they drove the same distance. The total distance traveled by each adult will be 896/5 = 179.2km

Hence, each adult in the family drove a distance of 179.2km

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3 years ago
I need help, please, I really need a help, please.
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