Answer:

where x = number of adults
y = number of children
and the extra weights of 4kg of each person.
I think it would be (x+7)/7
Answer:
A= 5
B= 3
Step-by-step explanation:
A= 5 +5+5+5= 20
B= 3 (length) x 3 (width)
Answer:
together, they would stitch 36 shirts in 162 hours or 6 days and 18 hours