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achaney6733
13.02.2020 •
Mathematics
A gardener is planting two types of trees:
Type A is 6 feet tall and grows at a rate of 10 inches per year.
Type B is 5 feet tall and grows at a rate of 13 inches per year
Algebraically determine exactly how many years it will take for these trees to be the same height.
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Ответ:
5 1/2 years
Step-by-step explanation:
Don't forget to convert the current height of the tree into inches, since the current height is in feet and the growth rate is in inches.
y=number of years
.
Height of Type A=36+15y
Height of Type B=48+10y
.
For height Type A to equal height Type B:
For height Type A to equal height Type B:
Height Type A=Height Type B
36+15y=48+10y . Subtract 36+10y from each side
5y=12
y=5/12
.
ANSWER: It will take 5 months (5/12 years) for the trees to be equal in height.
Ответ:
The irrational number is 12.
Have a day!