Rational numbers - practice problems - page 8 of 20
Number of problems found: 397
- Without 2
Tell whether the product 0.644 x 0.25 will be greater than one or less than 1 without multiplying. Explain how you know. Then, find the product. - Copper 83011
Brass is an alloy of copper and zinc in a ratio of 3:2. How much copper and zinc do you need to make 1 kilo of brass? - Sweaters 14
A store buys 14 sweaters for 84$ and sells them for 504$. How much profit does the store make per sweater? - Temperature 71494
The temperature at the foot of the mountain is 17.5 degrees. At its peak, they measured a temperature of -12.7 degrees. What temperature difference will climbers overcome when overcoming the peak? - Thermometer 48543
In the morning, the thermometer showed -7 °C. The temperature rose by 4 °C, then rose again by 9 °C, fell by 2 °C, rose by 3 °C, fell by 6 °C, and finally fell again by 5 °C. What is the final temperature? - Calculate: 3944
Calculate: a) 23 - [2.6 + (6 - 9) - 4.52] b] 12.25 + 2 [2.7 - (-0.5 + 0.3 * 0.6)] - Peter 4
Peter has a salary of 45,55 pesos per hour on a regular day and 2,5 times of regular rate over time. He worked 8 hours per regular day and 4 hours of overtime. Find the total amount of payments received. - Republic 8162
The factory produced 420 devices per month. They will sell 0.6 of them abroad. How many devices will remain in the Czech Republic? - According 7038
When students are ranked according to height, Katka is 12th Front and 17th Back. How many children are in the class? - Apples 4675
How many kilograms of apples would you buy for 300 euros if the kilo costs 0.90 euros? - Resulting 4339
Arrange fractions in ascending order: 7/9, 5/6, 2/3, 11/12, 3/4; Write the resulting order as a 5-digit number, digit = order. - Christine
Christine sold four durians weighing 1.3 kg, 1.5 kg, 1.4 kg, and 1.6 kg, earning Php 353.80. How much is a kilogram of durian? - Consumption 7538
A package of one cheese weighs 1.80 kg. From the previous day, 0.80 kg remained. Today I have 0.53 left in the box. What was the consumption of cheese? - Book
Calculate the thickness of the page of the collection of examples from mathematics, where 3.98 cm is thick and has 495 pages. - Two hotels
The total cost for a hotel room varies directly with the number of nights you stay. At hotel A, three nights cost a total of P6000. At hotel B, a five-night stay costs a total of P9000. If you will stay for four nights which hotel has a cheaper cost? - The carpenter 2
The carpenter has four pieces of wood that measure 0.4375m, 0.5624m, 0.755m, and 1.001m. How long is the wood if he puts them end to end? - Wood into pieces
Gwen has a piece of wood that is 8.25 feet in length. Gwen needs to cut pieces that are 0.75 feet in length. How many pieces can Gwen cut from the original piece of wood? - Three pieces
Hana has three pieces of sticks measuring 0.365m, 0.152m, and 0.537, respectively. Is the stick if she puts them end to end? - Three friends
You and your friends are playing basketball. You make 7 out of 15 shots. Your first friend makes 6 out of 10 shots, and your second friend makes 5 out of 12 shots. Who is the better shooter (write a, b, c)? How would you solve the problem using what you k - Dan goes
Dan goes to the bank and deposits $64.35 in cash and two cheques, one for $90.23 and the other for $71.68. What is his total deposit?
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