A pet store sells puppies and kittens in the ratio 5 : 4 . If their sales of puppies and kittens combined came to 27, how many p
2 answers:
Answer:
15 puppies
Step-by-step explanation:
A pet store sells puppies and kittens in the ratio 5 : 4
As per the ratio, total puppies and kittens is 5+4= 9
If their sales of puppies and kittens combined came to 27
The ratio of puppies to the total is 5:9
LEt x be the puppies sold
RAtio of puppies sold to the total is x: 27
Now make a proportion using the ratio and solve for x
cross multiply it
Divide both sides by 9
x=15
S, 15 puppies
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The 3.1 °F/min rate of change of the temperature and 15 minutes change duration gives the change in temperature as 46.5 °F
<h3>How can the change in temperature be found from the rate of change?</h3>The rate at which the temperature changed = 3.1 °F/min
The duration of the change in temperature = 15 minutes
The relationship between the change in temperature, the rate of change in temperature and the time can be presented as follows;
Where;
∆T = The required change in temperature
∆t = The duration of the change = 15 minutes
Which gives;
∆T = 3.1°F/min × 15 minutes = 46.5 °F
- The change in temperature, ∆T = 46.5 °F
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