Ratios and rates
2:1 =?
2:1 = 6:3
What is 2/3 equal to?
It's equal to 4/,6 and once u get that answer,u divide the numerator and denominator by 2, which gets u to 2/3 = 1.5, which gets u the answer!
What does 1 inch equal?
1 inch = 2.54 centimeters.
What is a percentage in math?
A percentage is a way to show a part of a whole as a fraction of 100.
What is a percentage with decimals?
A percentage with decimals, like 34.5%, shows a portion out of 100 where the amount itself includes a part of a whole.
What is a ratio?
A ratio is a comparison between two quanties of two quantities by division.
8/6 = to?
12/9 because 8/6 is equivalent to 12/9.
What does 1 pound equal?
1 pound ~ 0.454 kilograms.
What is 20% of 150?
0.20 x 150 = 30
25% =?
25% = 25/100 = 0.25.
5 girls: 15 boys: 1/3?
5/15 divided by 5 and 5 equals 1/3.
What are the 2 facts about rates?
Compares a quantity to one unit, often uses the word " per." To find a rate, think of what is being compared. Is it being compared to one unit?
What does 1 foot equal?
1 foot ~ 0.305 meters.
What number is 15% of 63?
0.15 x 63 = 9.45.
58% = ?
58% = 58/100 = 0.58.
In a small business, 40 of the employees are men and 30 of the employees are women. What is the ratio of men to women?
The ratio of men to women is 40 to 30, expressed as 40:30 and 40/30.
A car travels 120 miles in 3 hours.
How many miles does it travel in 9 hours at the same rate?
The car travels 360 miles in 9 hours. the rates 120/3 and 360/9 are equivalent.
What is the T fluid ounce equal?
T fluid ounce ~ 29.6 milimeters.
What percent of 42 is 21?
n x 42 = 21; n = 21/42 = 0.50, so 50%.
3.5% =?
3.5% = 0.035, and when u move two decimals, it gives u the answer!
Lynette can wash 95 cars in 5 days.
How many cars can Lynette wash in 11 days?
19 cars dividied by 5 equals 209 cars. 1 day added by 5 equals 6. Therefore 19 x 11 equals 19 + 190 = 209 cars.
Are 15 apples for $6.00 equivalent to 25 apples for $10.00?
Since both unit rates are $0.40 per apple, the rates are equivalent.
What is 1 centimeter equal to?
1 centimeter ~ 0.39 inches
A laptop costs $800 after a 20% profit margin. What was the original cost?
800 = C + 0.20C = 1.20C. C = 800/1.20 = $666.67.
125% =?
125% = 125/100 = 1.25 greater than 1.