Answer:
20
Step-by-step explanation:
A+5 = 1 side, so the perimeter is 3(a+5) or P = 3a+15
Answer:
30 divided by 0.40 = 75
The original price was $75
Step-by-step explanation:
Answer:
1,451.61 cm²
Step-by-step explanation:
A = LW
A = 38.1 x 38.1 (since a checkerboard has to be square)
A = 1,451.61