A tree grows 5 inches each year. Angela is asked to find when the tree is 1 2/3 feet tall. Angela incorrectly says 20 years, how many years will it take for the tree to be 1 2/3 feet tall? what was Angela's mistake?
1 answer:
Answer:
4 years
Step-by-step explanation:
Note that:
1 foot = 12 inches
1 2/3 feet = x inches
We cross multiply
1 foot × x inches = 1 2/3 feet × 12 inches
x inches = 1 2/3 feet × 12 inches/1 foot
x inches = 5/3 × 12 inches
x inches = 20 inches
A tree grows 5 inches each year. How many years will it take for the tree to be 1 2/3 feet tall = 20 inches
This is calculated as
5 inches = 1 year
20 inches = x year
Cross Multiply
5x = 20 inches × 1 year
x = 20/5
x = 4 years
It would take the tree 4 years to be 1 2/3 feet tall
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