48 pages -> 30 minutes
(1.5)48 pages -> 30 (1.5) minutes
72 pages -> 45 minutes
She can read 72 pages in 45 minutes.
*Hope that helps! :)
rules to find :- 1 All non zeroes number are significant
2 if zero proceeding the decimal point also work as non zero figure
3 zero are following the decimal point and proceeding the first non zero digit
4 Zero in between 2 non zero digits are also significant
5 if 1 zero follow the decimal point
790 :- 2 significant figures
0.0391 :- 3 significant figures ( follow 3 rule)
81.05 :- 4 significant figures ( rule 4)
0.000001 :- 1 significant figure
8546 :- 4 significant figures
79.0 :- 3 significant ( rule 5)
20% of 32= 6.4
20% x 32
20 /100 x 32
Reduce the fraction
1 /5× 32
=32/5
=6.4
Answer:
x = 21/10
Step-by-step explanation:
3/10 = x/7
Cross multiply.
10x = 21
x = 21/10
Yes it would if it was not right it would be wrong
