Answer:
a = 2
Step-by-step explanation:
Multiply equation by 2a to get rid of denominators.
10 + a = 12
a = 2
Rate = (150 miles)/(3 hrs) = 50 mph
so . . .
(50 mph)*(time) = 400 miles
*divide both sides by 50 mph
time = (400 miles)/(50 mph) = 8 hrs
time = 8 hrs
Answer: About 13% of the school would be in chess club.
Step-by-step explanation: Out of 85 students, 11 were in chess club. So:
11 / 85 = 0.1294117647, or approximately 13%.
If it's not too much to ask, may I have brainliest?