Answer:
2 : 7
Step-by-step explanation:
6 : 21 (6 for 6 days and 21 days in 3 weeks)
2 : 7 (Simplify by dividing by 3)
Answer:
B
Step-by-step explanation:
1
/3 + 3/4 + 1/2
= 13/12 + 1/2
= 19/12 = 1 7/12
Answer:
Given : PQR is a triangle.
Such that, 
Prove: 
Construct median PM.
⇒M is the mid point of line segment QR ( by the definition of median )
Therefore,
(By the definition of mid point)
(given)
( reflexive)
Thus, By SSS congruence postulate,

Thus, BY CPCTC,

Hence proved.
Answer:
lets figure out how many in total
10 + 23 + 57 = 90
10/90
11%
Step-by-step explanation: