Step-by-step explanation:
open the bracket
6={(1/5×4y) + 1/5×10}
6=4/5y+2
6-2=4/5y
4=4/5y
divide both sides by 4/5
y=1/5
Answer:
87.5 %
Step-by-step explanation:
64 ounces ................... 100%
(64-8) ounces ..................x%
x = (64-8)×100/64
= 56×100/64
= 5600/64
= 87.5 %
Answer:
The value of this expression is 45
Answer:
One proportion z test
Step-by-step explanation:
For this case, we can use the one proportion z test, this test is used when we have 2 categories and we want to see how significantly different is one from the other.
In this case, our two categories would be the toy prototype and the traditional toys.
Answer:
15
Step-by-step explanation:
