Answer:
D, John did not make a mistake!
Step-by-step explanation:
Answer:
The tax rate is 4.3%
Step-by-step explanation:
First, we have to assume $2.79 is 100%. We know that x% equals 0.12 of the output value. Now we have two simple equations: 100%=2.79 and x%=0.12.
Then, 100%/x%=2.27/0.12 and that gives us 4.3%!
Hope this helps.
Step-by-step explanation:
these are 2 similar triangles.
that means they have the same angles. and all sides have the same scaling factor between the 2 triangles.
so,
10/28 = 5/h