Answer:
2(6.3) + b = 15.7
12.6 + b = 15.7
b = 3.1
chances are 10.5
Step-by-step explanation:
Ok the answer of 6 are 12, 18, 24, 30, 36, 42, and 48. The multiples of 9 are 18,27,36,45,54,63,72,81,90,99,108,117,126,135,144,153,162,171,180,189,198,. Hope it helps!
-5x≤40 would be the answer