Answer:
70
Step-by-step explanation:
it depends on the grade you make, so if you were to make a 65.47, your grade would be a 70, so any grade less than 70 should be the answer, hope this helps!
Toothbrushes: 100
Floss: 1050
to find the number of toothbrushes, you multiply 50*20....to get the floss you multiply 15*70
Area of the rectangle
Area of the semicircles
Area of the figure
= 76.3in²
(rounded)