In a mixture of concrete, there are fourfour lb of cement mix for each pound of gravel. if the mixture contains a total of 110110 lb of these two ingredients, how many pounds of gravel are there?

How do you do inequality problems

Each day Ernesto drives 52 miles. If he can drive 26 miles on one gallon of Gasoline, how many days can he drive on 14 gallons of gasoline?

So far this year, a company has sold 8.28*10^5 tablet computers. How many more tablets must the company sell for it's tablet sales to reach 1 million this year? Explain how you solved this problem

The perimeter of a triangle is 7a-11b. If two of its sides are 2a+b and a-9b, what is the third side?

Work out the value of 19-a when a = 3

If 35% of a number is 17.5, what is 90% of the number?

Which of the following is NOT one of the three major credit bureaus?

Shirley Benson works for Levityskool assembling toys. She is paid $2.20 for each item she assembles. How much does she earn for a week in which she assembles 278 toys?

A study of diet and weight gain deliberately overfed 16 volunteers for eight weeks. the mean increase in fat was x = 2.81 kilograms and the standard deviation was s = 1.32 kilograms. what are x and s in pounds? (a kilogram is 2.2 pounds.)

A ver y Strong wind is Blowing over a big lake. A flock of geese begins their 5 (10) 3 meter journey home over the lake. For every 5 (10) 2 meters the geese fly over the lake, they are blown back 5 (10) 1 meters by the wind.