About 145 out of 500 students prefer walking instead of riding the bus to school. About what percent of the students prefer walking?

30%

50%

70%

145%

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

the solution is 12x-6y

answer: -8.2562234e+13

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}