Equations practice problems - page 171 of 250
Number of problems found: 4996
- Balance of account
Theo had a balance of -$4 in his savings account. After making a deposit, he has $25 in his account. What is the overall change to his account? - Alcohol mixture
Three liters of 96 percent alcohol set up a certain amount of distilled water to form 54 percent alcohol. How many liters of distilled water were used? - Trapezium internal angles
A trapezium where AB is parallel to CD, has angle A : angle D = 4 :5, angle B = 3x-15 and angle C = 4x+20. Find angle A, B, C and D. - Apple difference
If Zina gives Darina one apple, then both girls will have the same. How many more apples does Zina have now than Darina? - Triangle area
The triangle is divided into three parts. The part at the vertex C occupies a third of the area of the triangle, the part at the vertex B is two-fifths of the area of the triangle, and the remaining part at the vertex A has an area of 4 m². Calculate the - Equation algebraogram
Solve the equation: oco + ivo = cita How many solutions does the problem have? - Equation solving
x / 9-3-2x / 3 = 1-2 / 9-x - Big Ben clock
They had three tower clocks in the city. Some went right, others were 10 minutes ahead of the day, and the third was 12 minutes late each day. One day, they struck all the clocks at noon at once. How long will it be like this again? - Simple equation 3
24 = n • 27, solve for n - Right angled triangle 2
LMN is a right-angled triangle with vertices at L(1,3), M(3,5), and N(6,n). Given angle LMN is 90° find n - TV VAT
A dealer sells a TV for 750 euros. Upon selling it, he must pay 20% VAT to the state. How many euros in VAT will he pay for the sale of one TV? - VAT on books
The cost of a book in the store is 12.5 euros. How many euros is the VAT of this book? VAT is 10%. - Line segment
Divide a 15 cm line segment into two parts so that their lengths are in a ratio of 2:1. What is the length of each part? - Geometric seq
Find the third member of geometric progression if a1 + a2 = 36 and a1 + a3 = 90. Calculate its quotient. - Exponential equation
Solve for x: (4^x):0,5=2/64. - Speed calculation
Daniel reached the destination in 3 hours. Peter came to this place in 4.5 hours. What speed was Daniel moving if we know that Daniel's speed was 30 km/h faster than Peter's, and they both started at the same time from the same place? - Finding the base
Find the unknown base of percent: 12.5 percent of what = 16? - Part-timer payment
Three part-timers have a total of CZK 2,850. The first received 20% less than the second part-timer, and the third part-timer received CZK 50 more than the second part-timer. How much CZK did the first, second, and third part-timers get? - Tree planting
Štěpán is planting trees. If he had planted 12 trees every hour instead of 9 trees, he would have finished 1 hour earlier. How many stems should he plant? - Sum calculation
Calculate the second sum if you know that one sum is -124.6 and the resulting sum is (-200).
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