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# After David receives a 20% raise in salary, his new salary is \$27000. What was his old salary?

After David receives a 20% raise in salary, his new salary is \$27000. What was his old salary?

# a helicopter that is 2000 meters above the ground at a rate of 2 meters per second. The altitude of the helicopter after t seconds is given h(t0+2000-2t.

Give the range of this function and give the domain of this function.  Algebra 1

# the hight h of a rocket t secs. After the launch when will the rocket reach the hight of 230 feet? when will the rocket be back on the ground

given the equation h=144t-16t2 h=hight t=seconds When will the rocket reach the height of 230 feet? When will the rocket be back on the ground?

# a taxi cab ride is \$2.50 for the first 1/4 mile, and \$0.40 for each additional 1/4 mile. How much would it cost to go 6/5 mile?

Solve the equation

# Fifteen census takers walked. That number was 30% of all the census takers . How many collectors were out walking that day?

Fifteen census takers walked our neighborhood on Friday. That number was 30% of all the census takers who collected data that day. How many collectors were out walking that day?

# word problem

A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular week, the two cars...

# word problem

Goran works as a tutor for \$13 an hour and as a waiter for \$11 an hour. This month, he worked a combined total of 98 hours at his two jobs. Let t be the number of hours Goran worked as a tutor this...

# Write a direct variation that relates c and g, where c is the # of chlorine tablets

Noah knows that his friend Ryan uses 2 small chlorine tablets a week to maintain his 10,000 gallon pool

# word problem

It's a linear programming word problem.   For a given week, Greg's Coffee House has available 1728 ounces of A grade coffee and 1760 ounces of B grade coffee. These are blended into 1-pound...

# an altitude thats 671 ft more than double of the other altitude

write and evaluate an expession to find the altitude that has 4039 feet

# Ryan is working twopart time jobs for 25 hours a week. Job A pays 6.50 and hour and job B pays 6.90. How many hours did he work in order to make \$167.70

I need help with this word problem! its introductory to Algebra. Help!!!

# Pottery studio

A pottery studio gives two hour and five hour classes for \$36 an hour. If the studio has collected \$5976 for a total of 47 classes, how many two hour classes and how many five hour classes were paid...

# Annie has 5 more books than Selina. Selina has three less than twice the number of books as Laura. Annie, Selina, and Laura have 114 books in all..

Write and solve an equation to determine how may books each person has.

# Break-even point for a college

startup cost = 350,000, tuition 18,000 per student per year, charge to college 12,000 per student for the first 100 students enrolled.  How many students does the college need to enroll the first...

# What is the shortest length of fence that the rancher can use?

A rancher wants to fence in an area of 2000000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence...

# one number exceeds another by 24. The sum of the numbers is 58. what are the numbers?

one number exceeds another by 24. The sum of the numbers is 58. what are the numbers?

# its a word problem

Denise made a total of 80 outbound calls on her shift at work today. Of those 80 calls, 55% ended with prospective customers rejecting the call, 15% ended with Denise leaving a voicemail message,...

# cars travel

A family has two cars. The first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of 40 miles per gallon of gas. During one particular week, the two cars...

# a 2hours class and five hours class paid 6864\$ for 48 class each hour is 44\$ how many 5Hours class and how many 2 hours class paid

a 2hours class and five hours class paid 6864\$ for 48 class each hour is 44\$ how many 5Hours class and how many 2 hours class paid

# duting the 1998-1999 little leauge season, the tigers played 57 games. They lost 21 more games than they won. How many games did they win that season?

during the 1998-199 little league season, the tigers played 57 games. They lost 21 more games than they won. How many games did they win that season?