Answer:
1152 ways
Step-by-step explanation:
There are 4 married coupes i.e. four women and four men.
Let us treat four women as one unit together and 4 men as one unit together.
We have 2 units which can be arrangedi in 2!= 2 ways
Among 4 women they can arrnage themselves in 4! = 24 ways
Similarly 4 men can sit in 4! ways together
Hence total number of ways
they can arrange themselves if all the women sit together and all the men sit together
= No of ways 2 units arranged * no of ways men arranged * no of ways women arranged
=2*24*24
= 1152
Answer:
l=102 feet, w=68 feet
Step-by-step explanation:
Let w=width and l=length
P=2l + 2w
And we know that w=2/3l
So, using substitution...
340=2l + 2(2/3l)
340=2l + 4/3l
340=6/3l + 4/3l
340=10/3l (now multiply both sides by 3 to get rid of fraction)
1020=10l
So l=102
Now plug in to get w
2(102)+2w=340
204+2w=340
2w=136
w=68
Now check:
2(102)+2(68)=
204+136=
340 It works!
She isn't correct. 43 is a 2-digit odd number but it isn't composite. It's a prime number.
