40 students walk to school. 1
4
of the students take 15 minutes to walk to school.
1
5
of the students take 20 minutes to walk to school.
The rest of the students take 5 minutes to walk to school.
What is the probability that a student takes less than 15 minutes to walk to school?

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?