carla bought a car. after 7.5 % tax total cost of the car was $24600.00 what is the cost before the tax

How many liters of a 60% acid solution must be mixed with a 75% acid solution to get 20 L of a 72% solution?

A building contractor employs 80 men. Some of the men are paid $12 a day, some $16 a day, and the rest at$18 a day.[..]

The difference between the digits of a two-digit number is 2. The ratio of the units' digit to the tens' digit is 2.[..]

One angle of a triangle is 10 degrees greater tahn a second angle and is 40 degrees less than the third angle. Find[..]

If 2 is added to the numerator and to the denominator of a fraction, the value becomes .9. If 3 is subtracted from[..]

If you increase the numerator of a fraction by 3, and the denominator by 4, the value of the fraction will be[..]

The U.S. centers for Disease Control recommends that for a typical 2000 calorie daily diet, no more than 65g of fat[..]

A college student earned $8900 during the summer vacation while working as a waiter in a popular resturant. The[..]

Two numbers total 8, and their difference is 10. Find the two numbers.