Since 50% are grade 6 and 0.3 from 5th grade these equal 8/10 so the fraction of participants from grade 7 would be 2/10
The answer is D because when finding the value for x, it equals 0. When you substitute 0 in the equation (-1/3)x+4, y=4.
I'm pretty sure it's 8.5 > 2.97
Answer:
13
Step-by-step explanation:
3x + 7
x = 2
3 × 2 + 7 = 6 + 7 = 13