Difference between revisions of "2013 AMC 10B Problems/Problem 2"
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==Solution== | ==Solution== | ||
− | Since each step is <math>2</math> feet, his garden is <math>30</math> by <math>40</math> feet. Thus, the area of <math>30(40) = 1200</math> square feet. Since he is expecting <math>\frac{1}{2}</math> of a pound per square foot, the total amount of potatoes expected is <math>1200 | + | Since each step is <math>2</math> feet, his garden is <math>30</math> by <math>40</math> feet. Thus, the area of <math>30(40) = 1200</math> square feet. Since he is expecting <math>\frac{1}{2}</math> of a pound per square foot, the total amount of potatoes expected is <math>1200 \times \frac{1}{2} = \boxed{\textbf{(A) }600}</math> |
Revision as of 10:25, 22 February 2013
Problem
Mr. Green measures his rectangular garden by walking two of the sides and finding that it is steps by steps. Each of Mr. Green's steps is feet long. Mr. Green expects a half a pound of potatoes per square foot from his garden. How many pounds of potatoes does Mr. Green expect from his garden?
Solution
Since each step is feet, his garden is by feet. Thus, the area of square feet. Since he is expecting of a pound per square foot, the total amount of potatoes expected is