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Crank
3 years ago
11

A pizza dinner for $20 was marked down 20%. What was the new sale cost of the dinner?​

Mathematics
2 answers:
inn [45]3 years ago
6 0

Answer:

$16

Step-by-step explanation:

take 20 multiply it by 0.2 and you get 4 multiplied by 4 is 16 so it is 16 dollars

nikdorinn [45]3 years ago
5 0
16 that’s your answer to ur question
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Kinda need help fast.
Ivan

Answer:

the amswer is c

Step-by-step explanation:

3 0
2 years ago
How do you get the answer for 10 millimeters increased by 30%
tiny-mole [99]
First you have to find what 30% of ten is, and then add it to the 10. So how do you find 30 % of 10? In math...

"of" means ×
"is" means =

30% of 10 is
30 % × 10 =

change 30% to a decimal by dividing by 100 ( move the decimal to the left 2 places)

.30 × 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters
8 0
3 years ago
A 0.3 ml dose of a drug is injected into a patient steadily for 0.65 seconds. At the end of this time, the quantity, , of the dr
Darya [45]
Use the compound interest formula: A=P(1+i)^t.

P is the initial amount of the drug, 0.3ml.
i is - 0.0035.
t is in seconds.

You'll get:
A=0.3(1-0.0035)^t.

Sub in any value on t to find out how many ml are left t seconds after injection.

The 0.65 second injection time does not seem to be relevant as the question clearly states that the exponential decay starts AFTER the injection is completed.
4 0
3 years ago
Destiny paid $6.60 for a dozen cupcakes for a birthday patry. What is the unit cost for each cupcake?
Digiron [165]

Answer: $.55

Step-by-step explanation:

An important thing to know is that a dozen is equal to 12.

12x= 6.60

/12     /12

x=.55

3 0
3 years ago
Read 2 more answers
Find the average rate of change (-4,-7)(-2,3)
Basile [38]
The average rate of change is m=5.
Hope this helped.
6 0
3 years ago
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