Ratio and stuff

At a local preschool, there is a ratio of 3 boys to every 4 girls. If there are 245 total preschoolers enrolled, then how many are boys?

Stan's Steakhouse has a server to chef ratio of 5 to 2. The total number of servers and chefs is 42. How many servers does Stan's Steakhouse employ?

An amusement park sells child and adult tickets at a ratio of 8:1. On Saturday, they sold 144 child tickets. How many adult tickets did they amusement park sell on Saturday?

A pair of angles has a ratio of 5:2. If the larger angle measures 105 degrees, then what is the measure of the smaller angle?

3 = □

~ ~ ~

5 = 20

Fill in the blank.

Fill in the blanks

​ □ / 45 = 16 / 40 = 24 / □

• 18/45

• 24/60

• 20/45

• 24/45

There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is

a. B / B + G

b. G / B + B

c. G / G + B

The Williams family bought four concert tickets for $252. What was the price per ticket?

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?