Equations practice problems - page 15 of 227
Number of problems found: 4538
- Two containers 2
Two containers, one large and one small, contain a total of 4 kilograms of bath salts. One-quarter of the bath salts from the large container are transferred to the small container, so the ratio of bath salts in the large container to that in the small on - Jason 4
Jason spent 1/2 of his money on paper and 1/3 of it on pencils. How much money did he start with if he had 15.00 left? - On Tuesday 3
On Tuesday, the ABC store sold 2/3 of its stock of mugs. If there are 363 mugs stocked, to begin with, how many mugs were sold on Tuesday? TYPE THE NUMBER ONLY! - The sum 41
The sum of 640.00 was deposited in the first bank for five years, and the interest given was 160.00. Find the rate.
- Properties of eq2 roots
If p and q are the zeroes of the quadratic polynomial f(x) = 2x2 - 7x + 3, find the value of p + q - pq. - Evaluate 37
Evaluate the function K(x) = 2x²+3x-2 what is the value of K(½) - Sarah's age
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44. Write an equation to determine Sarah's age (a). - Sam's Sam's age is x. His sister Jo is 2 years more than 1.1 times his age. Question: What is Jo's age in terms of x? Write an equation to find x if the sum of Sam's and Jo's ages is 44.
- Multiplied and subtracted
When a number is multiplied by ⅔ and subtracted from 7, the result is 2⅓. What is the number?
- Exp decay
An element with a mass of 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest 10th of a gram? - Overdraft account Many bank accounts never go below zero. However, some banks will allow a negative balance, at least for a short time, called an overdraft. It means someone has taken out, or 'drafted', more money than was in the account, to begin with. Hannah's account we
- The sum 40
The sum of the two numbers is 75. If the smaller number is 20 more than 1/5 of the larger number, find those two numbers. The large number is x, and the small number is y. - Solve 25
Solve for a in (a+8)/2-3(a+10)/5=1. - Equation 94
If 9 more than twice a number is 3 less than 3 times the same number. What is the number?
- The pole in the mud
4/7 of a pole is in the mud. When 1/3 of it is pulled out, an 8 m long piece of the pole still remains in the mud. What is the full length of the pole? - Two fractions
The fractions 10/3 and 10/X give the same answer when multiplied as they do when they are added. Find the value X. - Fredrik
Fredrik knows that x² + ax + b = 0 has only one solution, and this is x1 = - 3/2 Find the values of a and b. - Width and length
For a particular rectangle, twice the width is 1 meter longer than the length. The area of the rectangle is 153 square meters. What is the perimeter of the rectangle? - The balance 2
If your balance at the end of 4 years is 50000, at a 5% interest rate, What was your original investment?
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