A class is listing things that come in fives. Some of the things on the list are: points on a star, players on a basketball team
, sides on a Pentagon. Jan is writing a problem to match six times five. Jan writes, "I have six nickels. Each nickel is worth five cents. How much money do I have? " Jan tells the class that she can represent how to solve the problem in many different ways. What are two different ways that Jan could represent and solve her problem?
1 answer:
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Answer:
Height of fir tree = 9 meters
height of pine tree= 12 meters
Step-by-step explanation:
The combined height of one fir tree and one pine tree is 21 meters. The height of 4 fir trees stacked on top of each other is 24 meters taller than one pine tree.
Let x be the height of fir tree and y be the height of pine tree
Subtract x from both sides
height of 4 fir trees = pine tree +24
Substitute 21-x or y in the above equation
Add x on both sides
Divide by 5 on both sides
x=9
Now plug in 9 for x and find out y
y=12
Height of fir tree = 9 meters
height of pine tree= 12 meters