Proportion Ratio Word Problems

if there are 5 boys for every 7 girls in math class, how many boys are there if there are 35 girls?

Amanda bought 1 package of strawberries for $3. How many packages of strawberries can Willie buy if he has $12?

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

The Rangers are projected to win 70% of their games this year.  If they play 190 games, how many games should they win?  

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

A fence post that is 2 meters tall casts a shadow 5 meters long. At the same time a tree casts a shadow 108 meters. How tall is the tree?

Fairview and Rockville are 104 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 13 km?

Pat needs 14 sticks of pepperoni to make 28 pizzas.  How many sticks of pepperoni are needed to make 36 pizzas?  

A car travels 420 miles in 8 hours.  If the car continues at the same rate, how far will it travel in 12 hours?