Multiplication + rational numbers - practice problems - page 3 of 5
Number of problems found: 92
- Without 2
Without multiplying, tell whether the product 0.644 x 0.25 will be greater than one or less than 1. Explain how you know. Then find the product. - Greater 7066
Which number is greater than 2/3 of 19 or 4/5 of 18? (type 1 or 2) - Double 5
Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number? - Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2 - Obtained 5353
About 50% of the pulp is obtained from wood and about 65% from paper. How many tons of paper can we make from 150 tons of wood? - Difference 5269
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them. - Resulting 5260
Calculate the second factor if one factor is .0.8 and the resulting product is 8 - Ratio - proportion
Reduce the number 16 in proportion 3:2 5:4 11:8 - Milk
Mum bought 16 cartons of milk. One carton of milk weighs 0.925 kg. How much weight are all purchases? - 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 - Evaluate
The division of numbers 6 and 3 increases by-product of the numbers 115 and 0.1 - Wood
Wood cube with edge 11 cm weights 0.753 kg. What weight have 10, 100, and 1000 these cubes? - Division
Divide by the number 0.2 is the same as multiplying by what number? - Price of state
Estimate the cost of the state based on the following reasons. State price is expressed as a percentage of share in the redistribution of national GDP. Employee creates monthly value € 868 (super-gross wage). Then, tax him 35.2% employer contributions (th - Parallelogram
Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height ha = 6 cm long. - 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 - 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? - About what
How much and how many times is 72.1 greater than 0.00721? - Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in these two years. - Drinking water
A man drinks a keg of water in 36 days, and a woman drinks in 65 days. How many days do they consume a keg together?
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