Simple Ratios
There are 6 boys and 4 girls in the class. Write a ratio of boys to girls. Reduce.
3:2
The ratio of parents to children at the picnic was 5 to 4. If there are 27 picnickers, how many of them were children?
12
Thirty percent of the paintings were portraits. If there are 12 portraits, how many paintings were there in all?
The ratio of salamanders to frogs was 5 to 7. If there were 20 salamanders, how many frogs were there?
28 frogs
4(5) - 4 + 5(4)
36
A team won 3 games and lost 7. What was the team's loss-win ratio?
7:3
The ratio of football players to band members on the field was 2 to 5. Altogether there were 175 football and band members on the field. How many football players were on the field?
50
Only 40% of the team members played in the game. If 24 team members did not play, then how many did play? How many players are there in total?
a. 16
b. 40
The ratio of humpback whales to killer whales was 2 to 7. If there are 42 killer whales, how many humpback whales are there?
12
4 divided by 4 + 4 x 4 - 4
13
What is the girl-boy ratio in a group of 30 children with 17 boys?
13:17
Raisins and nuts were mixed by weight in a ratio of 2 to 3. If 60 ounces of mix were prepared, how many ounces on raisins were used?
24
The airline sold 25% of the seats on the plane at a discount. If 45 seats were sold at a discount, how many seats were on the plane?
180
The ratio of damsels to knights was 5 to 4. If there were 60 knights, how many damsels were there?
75 damsels
32 + 1.8(50)
122
If a team played 20 games in a season, what is their win-loss ratio if they won 16? Reduce
4:1
In a race, 100% of the participants that signed up were 120 runners. Only 60% of the participants finished the race. How many participants did not finish the race?
Convert 12 1/2% to a fraction.
1/8
The ratio of skaters to bikers was 3 to 5. If there were 15 bikers, how many skaters were there?
6 x 4 divided by 2 - 6 divided by 2 x 4
0
In a group of chickens, 10 of them were roosters and 15 were hens. What is the ratio of hens to total chickens? Reduce.
3:5
21
Convert 14 2/7% to fraction.
1/7
4
2(5) + 2(4) - 2(5+4)
0