He has three pieces of ropes with length of 140 cm,168 cm and 210 cm. he wishes to cut all three pieces of ropes into smaller pieces of equal length such that there is no left over
i ) what is the greatest possible length of each of the smaller pieces of ropes?

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

step-by-step explanation:

divide, then simplify your answer.

1. make -15.66 ÷   5.8 a fraction. then divide.

2. simplify.  

3. final answer.  

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0