Ratio - 7th grade (12y) - practice problems
Number of problems found: 345
Manganese bronze contains the following amounts of metals per pound: copper 0.89 lb, tin 0.10 lb, and manganese 0.01 lb. How much copper is in a shaft that weighs 235 pounds?
- The ratio 6
The ratio of cats to dogs is 2 to 5. if there are 35 total animals in the shelter then how many are dogs?
- Fruits 6
In a basket there are 10 mangoes, 6 guavas, and 8 chicos, What part of the total number of fruits are guavas?
- A sum 2
A sum of money is divided between Laura and Joan in the ratio 2:3. Laura gets 8 pesos. How much did Joan get?
- The ratio
The ratio of the lengths of the two circles is 5: 2. Find the ratio of a a) the radii of these circles b) the areas for these circles
- Volleyball 2
In a volleyball game, Michael made 4 shots in 8 tries. At this rate, how many shots can he make in 12 tries?
- Three in ratio
1/8 of the balls in a bag are red, 5/8 are blue and the rest is green. Find the ratio of red to blue to green balls.
- Mary solved
Mary solved six out of ten problem correctly in mathematics. What is the ratio pf the number of correct answers to the number of wrong answers? Show the solution.
- Mangoes trees
Draw two sets of trees. The first tree has 2 branches and 8 mango fruits. The second tree has 3 branches and 12 mango fruits. Illustrate and express the ratio and proportion of the given statement.
- Earnings 2
Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns 187.15 pesos, what should she earn if she worked 40 hours?
- Divide in ratio
What is 75 in the ratio of 2:3?
- Two places
The actual distance of the two places is 105 km. Find the scale of the map on which this distance is marked by a line 1.2 dm long.
- A rectangle 8
A rectangle measuring 6 cm and 4 cm is enlarged by the ratio 3:1. What is the area of the enlarged rectangle?
- Change per hour
On Sunday, the temperature was 63 degrees at 2 pm. The temperature was then 72 degrees at 5 pm. What is the rate of change per hour?
- A sum
A sum of money is shared between Peter, John and Henry in the ratio 2:3:5. a) express Henry's share as fraction of John's share. b) what fraction of the whole sum of money is John's share?
- Aspect ratio
Determine the ratio of the length to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide.
- A perimeter
A perimeter of a parallelogram is 2.8 meters. The length of one of its sides is equal to one-seventh of the entire perimeter. Find lengths of the sides of the parallelogram.
If a keg of nails costs $129.45 and 6/7 of the keg is used, what is the value of the remaining nails?
- Math club
A math club has 25 members of which 11 are male and the rest are female. What is the ratio of all male to all club?
- An orchard
In an orchard, there are 28 apple trees, 27 orange trees, and 14 cherry trees. What is the ratio of apple trees to cherry trees?
Check out our ratio calculator. Ratio - practice problems. Examples for 7th grade (seventh).