Percent means parts out of 100
28%=28/100=14/50=7/25
Answer:
x= 1.75 y= 6.75
Step-by-step explanation:
substitution method
Answer:
D
Step-by-step explanation:
It wouldnt be a single grade being surveyed so we would choose d in additon a and b isnt national since it says 'in a certain town' and 'in a certain county'.
Which leaves you with D.
