<span>Find
the number of bluejays bird and robins birds as joan counted it
=> the number of Robins is twice as bluejay
=> Robins = 2X
=> The number of bluejay is about to know:
=> Bluejay = X
The total number of birds is 21.
=> 2X + X = 21
=> 3x = 21
=> 3x / 3 = 21 / 3
=> x = 7
Thus the number of bluejay is 7
=> Robin = 2(7)
=> Robin = 14
Thus the number of Robin is 14</span>
Answer:
80%
Step-by-step explanation:
Cost of materials for a bar of soap = $ 2.50
Selling price for a bar of soap = $ 4.50
Markup percent = 
Markup percent = 
= 
= 
= 
= 80<em>% </em>
59 is a prime number and an odd number, hope this helps!
Answer:
48
Step-by-step explanation:
I won't give you the answer straight up but I will give you the definition of what you need to do.. To change a fraction into an equivalent fraction with a denominator of 100: 1. establish how many times the given denominator fits (divides) into 100 2. multiply both the numerator and the denominator by that number.