Rational numbers + multiplication - practice problems - page 3 of 5
Number of problems found: 92
- Calculate 34791
Calculate the example with decimal numbers: -5 + (- 14 + 11) • [24-2 • (-0,4)] - {- 28-41 • [-8 • 2 + 4 • 1 • (0,1-2,4)] + 1} = - Kilograms 8741
Mom bought 4kg of carrots for 1 euro 30 cents and 3 kilograms of apples for 2 euro 10 cents. How much did she pay for carrots and apples? - Josh works
Josh works mowing lawns and babysitting. He earns $7.20 an hour for mowing and $6.80 an hour for babysitting. How much will he earn for 1 hour of mowing and 6 hours of babysitting? - Ratio
Increase the number 25.6 in the ratio 7:4.
- Justin
Justin has $57.18 in his checking account. He deposits his paycheck of $256.79. He then buys $68.42 in groceries, $50.00 in gas, and two movies for $15.58 each. What is the new balance in Justin's checking account? - PLUS MINUS product
A. Deduct 15.728 from the sum of 23.234 and 6.23 B. Add 15.756 to the difference of 26.845 and 4.342 C. Find the product of 0.86 x 0.05 D. Multiply 5.234 by 4.45 E What is the product of 23.97 multiplied by 6.36? - Notebooks 82002
The teacher bought for her class (for each student), in which there are 15 students, notebooks for €0.30, books for €4.50 and special pens for €2.80. How much did they have left in the class fund when they had €200 there? - Last month
Last month, Lana sold 35 necklaces a week at $15 each. However, six customers returned their necklaces throughout the month for a full refund due to defective clasps. How much did Lana make selling necklaces last month? (Hint: Assume there were four weeks - Math test
In 6A class are 32 students, and the teacher managed to give tests to 12 students. 12 testes he gave in 12 min. How many pupils still haven't tested? How long will it take the teacher to give tests to 29 students?
- Medicament
Many manufacturers produce the same type of medicament in various packages with different content of active substances. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 31.5 Eur. Pack 2: includes 100 tablets of 1200 mg of active subst - Purchase 2912
Mom bought in the store 3 kg of sugar for Sk 19.50, two milk for Sk 13.10, bread for Sk 17.60, 20 eggs for Sk 2.55, salami for Sk 138.75, and oranges for Sk 42.80. She had 728.35 SK in her wallet before the purchase. How many crowns did she have left afte - Education for free
Slovakia circulates a lot of myths, particularly ideas about what must be free. For example - education should be free - children of poor parents should know at least to read and write. Calculate how much a student would have to pay per hour of teaching w - Youth track
Youth track from Hronská Dúbrava to Banská Štiavnica, which announced cancellation attracted considerable media attention and public opposition, has cost 6.3 euro per capita and revenue 13 cents per capita. Calculate the size of subsidies to a trip group - Diophantus
We know little about this Greek mathematician from Alexandria, except that he lived around the 3rd century A. D. Thanks to an admirer of his, who described his life through an algebraic riddle, we know at least something about his life. Diophantus's youth
- Store
One meter of the textile was discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile. - 102—likewise 8205
The number 20 137 is "like" the number 73 102—likewise, the decimal numbers 41.9 and 9.14, or 31.08 and 80.13, like each other. Find two mutually exclusive numbers whose product is 357.435. - Expression values
Let A = 5, B = 4.4, and C = 4.25. Find the value of each expression listed below. A² × (B - C) B × (A - C) B + C - A A - B + C - Camp
In the camp are children. 1/2 went on a trip, 1/4 went to bathe, and 38 children remained in the room. How many children are in the camp? - Two numbers and its product
The product of two numbers is 2/3. If one of them is 1/10, what is the other?
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