Twenty percent of the students in Mr. Manycattle’s class earned a reward for perfect attendance. What is the ratio of students with perfect attendance to those without perfect attendance?

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)