Question

163.35 is 45% of what number> How do I solve w/o a calculator?

Answer 1

363

Answer 2

163.45 = 0.45 x number
Required Number = 163.45/0.45

Answer 3

cross muliply= 163.35/x=45/100

Answer 4

both mean the same wilverine

Answer 5

Know a method of solving w/o a calc? I could just multiply, but another method would help

Answer 6

Wait I can cross multiply this?

Answer 7

that is without using calculator.. simple long division and multiplcation

Answer 8

yeah the fractions is equal to each other because 163.35/x where x is 100% and 163.35 is 45% of x

Answer 9

Can I cross multiply this also? 105=y*24%?

Answer 10

yeah. 105/y=24/100.. but it can also solve for y, because to change a percent to a number just move decimal over 2 places to the left, 105=y*.24