Multiplication - practice for 13 year olds - page 5 of 28
Number of problems found: 541
- The ratio 14
The ratio of boys to girls is 8:7. If there are 40 boys, how many girls are there in the class? - Peter 14
Peter bought ¼ kg, and Paolo bought 1 ½ kg of bananas. How much did they pay if each kilo costs Php 24.00? - To buy
To buy a truck, you can pay $12500 cash or put down $3250 and make 24 monthly payments of $685.75. How much would you save by paying cash(to the nearest hundredth)? - A mechanic
A mechanic charges $45 for a diagnostic fee plus $25 per hour for labor. No parts were needed to make a repair that included the diagnostic plus 3.25 hrs of labor. The customer had an internet coupon for $10 off the diagnostic fee. What was the customer's
- Dorothy
Dorothy feeds her dog during noon time with 2/5 kilograms of dog food and during night time with 3/7 kilograms of dog food. How much is dog food fed to her dog in a week? - Negative temperature
On a certain day, the temperature is - 12/5°F. After 2 days, the temperature decreases by a factor of 7/3. Find the temperature. - Percentages 10
Pls, convert 1/7 into a percent. What is the solution? - Decimal numbers
When two decimal numbers are multiplied, the answer is 0.072. When the same two decimal numbers are added, the answer is 0.72. What are the two decimal numbers? - Three rationals
Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z?
- Married 83309
In how many ways can we seat five guests at a table, two of whom are married and want to sit next to each other? - Mathematics 83190
The number of students studying teacher studies in mathematics has decreased in the last twenty years in a ratio of 2:10. How many students are studying teacher studies now when twenty years ago there were 50? - Increases 83162
A farmer has 250 cows. One cow has 5m² in the cowshed. When their number increases by 26, how much m² will the space for one cow decrease? - Enlarges 83161
Enlarges the number 148 in a ratio of 13:4 - Already 82989
The book has 1200 pages, of which Róza has already read 60%. How many pages has Rose not read so far?
- Hectares 82876
There are 2.17 million hectares of forest in Slovakia. The Žilina region occupies 20% of the total area. How many hectares of forest are there in the Žilina Region? - Calculate 82874
Calculate the moment of force if F = 500 N and the arm's length is 0.8m. Unit N.m - Respondents 82860
The students surveyed the number of networks on the Internet. 94% used Facebook, 19% used Twitter, and 42% used Google. How many did not use Facebook if the number of respondents was 310? - Two-digit 82521
Karel had to multiply two two-digit numbers. Out of care, he changed the order of the digits in one of the factors and got a product that was 4,248 less than the correct result. What is the correct result? How much should Karl have earned? - Scholarship 82450
University students increased their stipend by 20% and then again by 10%. Now he gets 99 euros. What was his original scholarship?
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