Let
x--------> the number of blue beads
y--------> the number of red beads
we know that

-------> equation 
------> equation 
equate equation
and equation 

find the value of x

therefore
the answer is
Ivan has

I think it's 64. Not positive, but pretty sure it is.
Answer:
120
Step-by-step explanation:
all complementary angles should add up to 180 degrees
E porque ya lo use y es facil