Percent formula : is/of = %/100
18 is what percent of 20...
is = 18
of = 20
% = x
sub and solve
18/20 = x/100
cross multiply
(20)(x) = (100)(18)
20x = 1800
x = 1800/20
x = 90 <=== so 18 is 90% of 20
well , I guest you should add them all together
103.5 + 320.75+186.30 = 610.55 miles for all three days
I hope that's help !
Answer:
63
Step-by-step explanation:
To find the area of a trapezoid you have to use the formula
a+b/2 h
So we would substitute them
3 + 15 / 2 x 7
Which would equal
63
Hope this helps :)
Step-by-step explanation:
3×10^10 is the scientific notation of 30000000000
Answer: it's either a or b i'm not too sure but i hope it helps
Step-by-step explanation: