When I was 16 years old, my brother was half my age. Now I am 49, how old is my brother?

If one cent is 1/100 of a dollar, what fraction of a dollar is 48 cents?

Indemnify the coefficient, 5b + 32

P (King or black card) ?

The winner of a raffle recieve a 21-foot outboard boat. If 5000 raffle tickets are sold and you purchase 50 tickets, what are the odds against winning the boat?

American Alligators dig burrows in the mud. Suppose there 20 alligators, each with 50 feet of burrows. what is the total length of all the burrows

Is square root of every non square number always irrational? find the smallest natural number which divides 2205 to make its square root a rational number.

Tony plans to save 20 nickels each week from his allowance. A nickel weighs 5 grams. How many kilograms of nickels will Tony save in 10 weeks

412 students were surveyed about their preferences of sports. 115 students like football, 100 students like baseball, and 45 students like both sports. how many students like exactly one of the two sports?

Find the missing number in this problem Make sure your answer is fully reduced. 3/4 - 1/2 equals X

In a group of 1,200 people, 468 have brown eyes, 252 have blue eyes, 132 have green eyes, and 348 have black eyes. What is the probability that a person chosen at random from this group has blue eyes?