On a field trip to the zoo, 21 students voted to have sandwiches for lunch. This represents 7/8 of the class. How many students are in the class?

Mr. bernard needs to order more boxes for his 16 inch diameter “super pizza.” use 3.14 to approximate π.

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

How many grams the dog will eat in 3 days?