By Learning Express

1001 Math difficulties offers workouts overlaying addition and subtraction via fractions, decimals, and probabilities, and directly to easy geometry and trouble-free algebra.

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2 acres d. 2 1/2 acres 141. Land consisting of a quarter section is sold for $1,850 per acre (1 quarter section = 160 acres). The total sale price is a. $296,000 b. $592,000 c. $1,184,000 d. $1,850,000 142. The planet Pluto is estimated at a mean distance of 3,666 million miles from the sun. The planet Mars is estimated at a mean distance of 36 million miles from the sun. How much closer to the sun is Mars than Pluto? a. 36,300,000 million miles b. 36,300 million miles c. 3,630 million miles d.

2 1/6 c. 1 5/6 d. 1 5/12 167. 4 1/3 + 3 3/10= a. 7 2/15 b. 7 4/13 c. 7 2/3 d. 7 19/30 168. 3 9/16 - 1 7/8= a. 1 11/16 b. 2 1/8 c. 2 1/4 d. 2 5/16 169. 4 2/5 + 3 1/2 + 3/8= a. 7 3/20 b. 7 2/5 c. 8 11/40 d. 8 7/8 170. 5/12 - 3/8= a. 1/10 b. 1/24 c. 5/48 d. 19/24 171. 56 3/8 - 10 5/6= a. 46 1/7 b. 46 13/14 c. 45 1/3 d. 45 13/24 Page 33 172. -3/10 ÷ -1/5= a. 1 1/2 b. 2/3 c. -3/50 d. 3/50 173. 30 ÷ 2 1/2= a. 1/15 b. 15 c. 12 d. 75 174. 1/3 ÷ 2/7= a. 2 4/5 b. 1 1/6 c. 2 1/7 d. 1 1/5 175. 7/8 - 3/5= a.

Rani, 13 cents c. Kara, 85 cents d. Rani, 98 cents 131. A bored employee yawns 120 times in a 4-hour-long staff meeting. If her boredom is fairly constant, how many times will she yawn per hour? a. 30 times b. 25 times c. 124 times d. 480 times 132. If Rita can run around the block 5 times in 20 minutes, how many times can she run around the block in one hour? a. 10 b. 15 c. 50 d. 100 133. Which of the following number sentences is true? a. 4 feet > 3 feet b. 7 feet < 6 feet c. 5 feet > 6 feet d.