350 is 70% of what number

500

420

245

280


what percent of 64 is 24

267%

62.5%

40%

37.5%


what percent of $6.50 is $2.60

25%

40%

90%

250%


20% of 140 is what answer

280

120

28

12

Verified Answer :

x.7=350
x=500

64
x=24
37.5%

6.5x=2.60
40%

140
.2=28
28

learn this , it will help u with all of these percent problems.
percent formula : is/of = %/100

350 is 70% of what number....
is = 350
% = 70
of = x
now sub
350/x = 70/100
cross multiply
70x = 35000
x = 35000/70
x = 509....so 350 is 70% of 500.
=====================
is/of = %/100

what percent of 64 is 24...
% = x
is = 24
of = 64
now sub
24/64 = x/100
cross multiply
64x = 2400
x = 2400/64
x = 37.5..so 37.5% of 64 is 24
====================
u get the idea....
the last 2 answers are : 40% and 28