She had $10 dollars and the 15 is far so you need to have only one estimate.
Answer:
x=60
Step-by-step explanation:
divid the numbers
multiply all terms by the same value to eliminate fraction denominator
simplify
Answer:
20 * 4 = 80
Step-by-step explanation:
the answer is 80 cuz you have to multiply 20 ( the square) by 4 ( the number of sides) and you get 80