math percents
posted by marko .
Can you check these?
18% of 90 is what number?
i got 16.2
what number is 41% of 800?
i got: 1951.22
what number 5% of 522?
i got : 10440
70% of 279 is what number?
i got: 195.3
what number is 90% of 13?
i got : 14.44
9% of 351 is what number?
i got: 32
36% of 95 is what number?
i got 34.2
what number is 56% of 48?
i got: 85.71
96% of what number is 24?
i got 25
40% of what number is 30?
i got 75
50.4 is 36% of what number ?
im stuck
12% of what number is 72?
i got 6
12.8 is 32% of what number?
im stuck
684 is 95% of what number?
i got: 720
72% of what number is 630?
i got: 875

first is correct, next two wrong, next right,
then this what number is 90% of 13?
i got : 14.44 is wrong
next two right, then wrong,
I would recheck them all. 
Do u have website that explains this

It bought I understood this ? Can u check

The word "of" usually indicates the need to multiply:
90 x 0.18 = 16.2
800 x .41 = ??
http://www.aaamath.com/
Click on Decimals at the left and read.
Then go here to check your work:
http://www.wolframalpha.com/