Answer:
1/108
Step-by-step explanation:
One of the boys and one of the girls are siblings
1/9 × 1/12
1/108
Use a proportion
11 x
--- = ---
10 7
just solve for x
A = (B+b)·h/2 = 48 and B=b+6
2·48 = (b+6+b)·8
12 = 2b + 6
6 = 2b
b = 3 <span>inches
B = 9 </span><span>inches</span>
Answer:
0.5. 0.8
1. 1.6
3. 4.8
25. 40
Step-by-step explanation: