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Answer:
The height is 4.5ft
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Step-by-step explanation:
Given
yearly
Required
Determine the height in 3 years
First, we need to determine the growth equation.
Represent the height with h and the years with x
So:
To solve the required, we have that:
becomes
<em>Hence, the height is 4.5ft</em>
Answer:
51
Step-by-step explanation:
Given parameters:
Number of heads = 30 heads
Number of legs = 84 legs
Unknown:
Number of chickens and pigs = ?
Solution:
Since a chicken has one head, the number of chicken is the same as the number of heads;
Number of chicken = 30
A pig has 4 legs,
Number of pigs = = 21pigs
Total number of pigs and chickens = 30chickens + 21 pigs = 51