Question

Donna Bakes biscuits on a rectangular cookie sheet that is 30 centimeters by 50 centimeters.Each biscuit had a diameterof 8 centimeters. What is the maximum number of biscuits donna can make on the sheet at once on the cookie sheet.

Answer 1

We know that
[the area rectangular cookie sheet]=30*50--------> 1500 cm²

let's assume that each biscuit is inscribed in a square of 8 cm side
in the side of 30 cm can be placed -----> 30/8--------> 3.75----->  3 
in the side of 50 cm can be placed -----> 50/8--------> 6.25----->  6 

The maximum number of complete biscuits is 3*6------> 18 biscuits
the answer is 18 biscuit