The number is assumed to be x
x of 40% = 56
x * (40/100) = 56
x = 5600 / 40
x = 140
Store 1 : 12 paper towels for 3.60
3.60 / 12 = 0.30......30 cents per roll
store 2 : 10 paper towels for 3.50
3.50/10 = 0.35....35 cents per roll
the better deal is store 1 with paper towels costing 30 cents per roll
Answer:
B
Step-by-step explanation:
The Pythagorean theorem only applies to right triangles, and B is the only right triangle, this is shown by B having a box around one of its angles, instead of an arc.
