Ratios
5 buckets of sand are mixed with 4 buckets of gravel to make cement. What is the number of buckets of gravel needed for 45 buckets of sand.
36 buckets of gravel
In the workbench drawer, the ratio of hex bolts to all bolts is 0.06. Write the ratio as a fraction in simplest form.
In a recent student government election, the ratio of students who voted for the winner to all the students who voted was 0.55. The number of students who voted was 60. How many votes did the winner get?
In basketball, Katrina makes 12 out of every 20 free throws. Her coach claims that if she tries 42 free throws, she should make 18 of them. Is the coach's claim correct?