12 and 24.
Because
6=2*3
8=2*4
And 12=2*3*4
24=2*3*4*2
General rule: Try to find the factors of given numbers and multiply them in various cominations to get results.
<span>Illnesses ▬▬▬> Flu Other Illnesses Other Illnesses
\ (requiring (not requiring
\ rest) rest)
\ / |
\ / |
\ / |
Remedy ▬▬▬▬▬▬> Rest Other Remedies
- If the doctor recommends rest, the patient has the flu. ... FALSE
- The patient has the flu. ... (same thing) ... FALSE
- The patient does not have the flu. ... FALSE
No conclusions can be drawn.</span><span>
</span>
A would be your answer I believe
Subtracting 10x from the given equation gives
120 = 15x
Then dividing by 15 gives
8 = x
Zorah will have to play 8 hours in order to break even (cover her expenses exactly).
12% error. To find out subtract the difference between the estimate and the actual amount sold and divide the difference by the estamite.