X/50 = 20/100
its takes adding 30 to 20 to get to 50 so add 30 to 100 then its 130/100 (130 over 100) and then divide that and its 13 = 13%
i think its right dont hold it against me if im wrong
14 + 30 + 152 =196 14+30=44 44-196=152
Harmonic mean between two positive numbers x and y, The simplified formula is 
I.e. you need to double the product of x and y then divide it by the sum of x and y...~
Answer:
C.
Step-by-step explanation:
i believe it is C but do not trust me on this :p
Answer:
D, B and E
Step-by-step explanation:
To find the discount we write it as
Discount=15% of $249
We can write the above as
1)15/100×249(E)
OR
2)0.15×249 (B)
OR
3)3/20×100 (D)
