Answer:

Step-by-step explanation:
Given



Required
Determine CD
Since Point C is on segment BD, then we have

Substitute x + 4 for BC; 5x for CD and 5x + 7 for BD

Collect Like Terms


Multiply both sides by -1

Substitute 3 for x in 


<em>Hence, the length of CD is 15 units</em>
Answer:
1 person
Step-by-step explanation:
It is given that a farmer wants 5 persons to complete a work of clearing his field in ten number of days.
We have to find out the number of persons required if the farmer needs to clear his field in 2 number of days.
Therefore according to the information given :
10 days = 5 persons
∴ 1 day =
persons
So 2 days =
persons
person
= 1 person
Answer:
with what?
Step-by-step explanation: