Franklin walked 1/2 mile in 8 1/2 minutes. what is he unit rate in miles per minute

Allie answered 72% of the questions on her math test correctly. if she answered 18 questions correctly, how many questions were on the test?

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin