Question

Mr. Green measures his rectangular garden by walking two of the sides and finds that it is $15$ steps by $20$ steps. Each of Mr. Green's steps is $2$ 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?

$600$

$800$

$1000$

$1200$

$1400$

Answer: A

Concepts:unit conversion area rate

Difficulty rating: 560

Solution:

The dimensions of the garden are $2\cdot 15 = 30$ feet by $2\cdot 20=40$ feet. Thus, the square footage is $30\cdot 40 = 1200.$

Therefore, there are $1200\cdot \dfrac 12 =600$ pounds of potatoes.

Thus, the correct answer is A .

2013 AMC 10B Problem 2

Answer: A

Difficulty rating: 560

Solution:

Problem 2 in Other Years