Answer:
x = 7
Step-by-step explanation:
3x - 9 = 12
3x = 12 + 9
3x = 21
x = 21 ÷ 3
x = 7
Answer- 2 hours
6.50+3= 9.50
9.50•3= 28.5
54.50-28.50= 26
26/2= 13
13/ 6.50= 2
P(no girls in five births) = p(five boys) = (1/2)^5 = 1/32 = 0.0313
If you mean width, 7 x 7 = 49, so 49 feet, then add on the 3.5 feet due to the 0.5 left over, and you have 52.5