7. You are helping to hang balloons in the gym for a school dance
You are helping to hang balloons in the gym for a school dance. There are a total of 175 balloons. Some of the balloons are gold and the rest are silver. If the ratio of gold to silver is 3 : 2, how many gold balloons are there?

11. In a triangle, the ratio of the measures of the 3 angles is 5:7:8
In a triangle, the ratio of the measures of the 3 angles is 5:7:8. Find the measure of each angle of the triangle.

14. Solve each proportion:

22. Scale factor:
Ratio of corresponding linear measurements of two similar figures.

23. A 1957 Chevy is 17 ft. long. The toy model is 10 inches long
A 1957 Chevy is 17 ft. long. The toy model is 10 inches long. What is the scale factor of the 57 Chevy length to the toy model?

32. 6.4 cm

34. Two baseball players have the same batting average
Two baseball players have the same batting average. One has 12 hits in 45 times at bat and the second has batted 160 times. How many hits does the second player have?

39. An airplane has a length of 24 m and a wingspan of 32 m
An airplane has a length of 24 m and a wingspan of 32 m. A scale model is made with a wingspan of 12 cm. Calculate the model’s length.

40. A telephone pole casts a 36 foot shadow. Nearby, a 6 ft
A telephone pole casts a 36 foot shadow. Nearby, a 6 ft. man casts an 8 ft. shadow. How tall is the telephone pole?

44. ΔABC is similar to ΔXYZ. AB = 10, XY = 14
ΔABC is similar to ΔXYZ. AB = 10, XY = 14. The perimeter of ΔABC is 25 cm. Find the perimeter of ΔXYZ.