Is a problem solving method that uses that fact that any number or expression can be multiplied by one without changing it's value.
Answer:
1. y
=
1
/2X
+5
Step-by-step explanation:
2. m=1/2
According to the 1991 census, there are about 43406932 people in our country who speak Urdu. Which of the following is the closest approximation of this number?
A 4 lakhs
B 43 lakhs
C 4 crores
D 43 crores
→ <u>C</u><u> </u><u>4 </u><u>crores</u>
Explaination :
2 - Unit place
3-tens place
9- hundred place
6 - thousand place
0- ten thousand place
4 - lakh place
3 - ten lakh place
4 - crore place
hence , closest approximation of this number is 4 crores.
40% of 85 is 34 so 85-34=51
51 is your answer