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DanielleElmas [232]
2 years ago
11

Nina purchased a meal for $24. She left a 20% tip. How much was the tip?

Mathematics
2 answers:
k0ka [10]2 years ago
6 0

Answer:

She left a $4.80 tip.

ankoles [38]2 years ago
6 0

Answer:

Tip $4.80

Total $28.80

Step-by-step explanation:

20% = 0.2

24 x 0.2 = 4.8

24 + 4.8 = 28.8

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How much did benji earn if he got $50 for mowing the lawn plus a 10% tip?
asambeis [7]

Answer:

$55

Step-by-step explanation:

50+(50*0.1)

50+5

55

6 0
3 years ago
A supply company manufactures masks and ventilators for hospitals. To maintain hugh quality, the company should not manufacture
notsponge [240]

Answer:

20 masks and 100 ventilators

Step-by-step explanation:

I assume the problem ask to maximize the profit of the company.

Let's define the following variables

v: ventilator

m: mask

Restictions:

m + v ≤ 120

10 ≤ m ≤ 50

40 ≤ v ≤ 100

Profit function:

P = 10*m + 65*v

The system of restrictions can be seen in the figure attached. The five points marked are the vertices of the feasible region (the solution is one of these points). Replacing them in the profit function:

point          Profit function:

(10, 100)    10*10 + 65*100 = 6600

(20, 100)    10*20 + 65*100 = 6700    

(50, 70)      10*50 + 65*70 =  5050

(50, 40)     10*50 + 65*40 = 3100

(10, 40)      10*10 + 65*40 =  2700

Then, the profit maximization is obtained when 20 masks and 100 ventilators are produced.

4 0
3 years ago
How do I explain when to divide fractions?
valentina_108 [34]
When you have the same denominator. Other than that have different denominators will not be possible.
5 0
2 years ago
Read 2 more answers
Equation 9(2j + 5j).<br><br><br> Use the distributive property to create an equivalent expression
raketka [301]

Answer:

63j

Step-by-step explanation:

Multiply 2j by 9 and 5j by 9. This gets you to 18j+45j. Then, add these since they are like terms: 63j.

4 0
2 years ago
Aiden is trying to save money and has $1800 to set aside in some type of savings account. He checked his bank one day, and found
kipiarov [429]
I = Prt

Interest on CD = 0.0425 x $1,800 = $76.5
Interest on savings = 0.0275 x $1,800 = $49.5

Difference of interest on CD and Interest on savings = $76.5 - $49.5 = $27

Therefre, he will earn $27 more if he invest in a CD rather than in a savings.
8 0
3 years ago
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