Rounding - practice problems - page 2 of 23
Number of problems found: 457
- Amy needs
Amy needs to serve 100 people with hashed browns. The hashed browns are sold in packs of 8 boxes, and each box in the pack serves 4 people. How many packs should she buy, minimum? How many people will she be able to serve with this purchase? - Tie rope
Fred was learning to tie rope. He had 5 1/2 feet of rope. If each knot took up 4/5 of a foot of rope, how many knots could he make? - An electrician 5
An electrician has 4.1 meters of wire. How many strips 7/10 m long can he cut? - The mass 3
The mass of certain types of cabbage is normally distributed with a mean of 1000 g and a standard deviation of 0.15 kg. In a batch of 800 cabbages, estimate how many a mass between 750g and 1290g. - Mrs.Reyes
Mrs.Reyes harvested 245.34 kg of mangoes. If a tree usually gives 34.30 kg of mangoes, how many mangoes are there? - A shelf
A shelf is 40 3/4 cm long. Books are 1 9/10 cm wide. How many books will fit on this shelf? - Gopal
Gopal uses 5/7 m of cloth to stitch a shirt. How many shirts can he make with 1 2/7 m of cloth? - And - or probability rules
Given P(A)=0.4, P(B)=0.56, and P(A and B)=0.274, find the value of P(A or B), rounding, if necessary. - Beezlebum's
Beezlebum's Toy Store can't keep its stackable block set in stock! The blocks completely fill a box shaped like a rectangular prism that is 14 inches long, 14 inches wide, and 21 inches tall. The cube-shaped blocks in the set are 3.5 inches along each edg - FRAMES
Joe is making picture frames out of wood. The length of each frame is 10 inches, and the width is 8 inches. Each piece of wood used to make the frames is 8 feet long. How many pieces of wood will he need to make 10 picture frames? Clue: find the perimeter - Yoshi's
Yoshi's father gave him 200 Pokemon cards. Each week, Yoshi purchases 25 Pokemon cards to add to his collection. Which inequality can be used to find w, the number of weeks after starting his collection when Yoshi will have more than 750 Pokemon cards in - A container
A container with 2 1/2L of water is being poured into other containers that can hold 1 1/3L of water. Each container has to be filled, so how many L of water will the last container hold? - Tom is
Tom is making birdhouses to sell at a farmer's market. Each birdhouse requires 4.5 feet of wood planks to build, and he sells them for $19.75 each. How much money can Tom earn at the farmer's market if he has no more than 80 feet of planks to build birdho - Three 232
Three out of eleven working mothers in a major US city have at least one child under the age of Five(5). If there are 2,250 mothers employed in that city, how many have at least one child under the age of five? (round to nearest whole number) - The rope
Fred was learning to tie rope. He had 5 1/2 feet of rope. If each knot took up 4/5 of a foot of rope, how many knots could he make? - Miss Patel
Miss Patel thinks her class of 20 students will average 95 on a math test. Before she grades the last student's test, the class average is 97. What is the lowest possible score on the 20th test for the class to average 95? - A group
A group of young men decides to raise ksh 480,000 to start a business. Before the actual payment was made, four members pulled out, and each of the remaining had to pay an additional ksh 20,000. Determine the original number of members. - Your are
You are cutting as many 32 1/4-inch sections as you can out of a board that is 129 inches long. How many pieces can you get out of the board? - A 500-gram
A 500-gram pack of delicious hotdogs costs P119.95. How many packs can be bought with P1000? - Geometric series
How many terms of the geometric series 8+4+2+1+0.5+... must be taken for the sum to get within 10 to the power minus 4 of its sum to infinity?
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