Samantha Blair

This page lists questions and answers that were posted by visitors named Samantha Blair.

Questions

The following questions were asked by visitors named Samantha Blair.

A father's age is now three times the age that his son was 4 years ago. In 12 years, the father will be twice as old as his son. Find their ages now.

There are 3 denominations of bills in a wallet: $1, $5, and $10. There are 5 fewer $5 dollar bills than $1 dollar bills. There are half as many $10 dollar bills as $5 dollar bills. If there is $115 altogether, find the number of each type of bill in the w...

In a two digit number, the tens digit is 5 less than the units digit. If you reverse the number, the result is 7 greater than double the original number. Find the original number.

Answers

The following answers were posted by visitors named Samantha Blair.

Find the median and mean of the data set below: 40,4,12,15,45,16

Two cars started to move toward each other at the same time. The speed of the first car was twice the speed of the second car. They met in 2 hours. If the distance traveled altogether was 300 km, find the rates of the cars.

A two-digit number has two less units than tens. The difference between twice the number and the number reversed is 93. Find the number.

The sum of five consecutive even numbers is 130. Find the consecutive even numbers.

Hunter leaves his house to go on a bike ride. He rides at a speed of 15 km/hr. Hunter's brother decides to join Hunter and leaves the house 30 minutes after Hunter. He rides at a speed of 18 km/hr. How long will it take Hunter's brother to catch up with H...

There are nickels, dimes and quarters in a piggy bank. THe total value of the coins is $3.65. The number of dimes is three times greater than the number of nickels, and the number of quarters is on greater than double the number of nickels. How many quart...