Answer:
B
Step-by-step explanation:
6 adults
70-4(one child)=66
66/11=6
12; 8
length-x
breadth-2/3x
2(x+2/3 x)=40
2×5/3x=40
10/3x=40
x=40÷10/3
x=40×3/10
x=12 (cm) length
2/3×12=8 (cm) breadth
your answer would be 2.3
The value of x is -11.
