# Equation - math word problems - page 41

- Elements

If the number of elements is decreased by two the number of permutations is decreased 30 times. How many elements are? - Boys and girls

There are 28 girls in the hall. 5/7 of all children are boys. How many children and how many boys are there? - Savings 2

Jozef and Michael saved 46 euros together. Michael saved 22 euros more than Jozef. How much did save each of them? - Variation equation

Solve combinatorics equation: V(2, x+8)=72 - Distance between two cities

Car went from A to B 4h. On the way back, the car was up 15km / h faster. The return trip took 48 minutes. Shorter than the way there. Find the distance of the cities A and B. - Bakery and flour

The bakery tray for flour was filled to 3/4 volume. After removing 875 kg of flour, it was filled to only 2/5 of the volume. How many tons of flour is in the full tray? - Classroom

There are eighty more girls in the class than boys. Boys are 40 percent and girls are 60 percent. How many are boys and how many girls? - Parabola 3

Find the equation of a parabola with its focus at (0,2) and its vertex at the origin. ? - Equation

Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number. - Wagons and cranes

Several of the same cranes unloaded 96 wagons. If there were 2 more cranes there would be less 8 wagons for each crane. How many cranes were here? - Solve equation

solve equation: ? - Iron collecting

Class 7A collected 3.2 tonnes of iron more than class 7B. Together they collected 6.4 tonnes of iron to the secondary raw material collection. How much did each class collect? - Area of iso-trap

Find the area of an isosceles trapezoid if the lengths of its bases are 16 cm and 30 cm, and the diagonals are perpendicular to each other. - 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. - Eq1

Solve equation: 4(a-3)=3(2a-5) - If-then equation

If 5x - 17 = -x + 7, then x = - Family 8

Father is 38 years old, daughter 12, son 14. How many years will father have as many years as his children together? - Flowers

The flower has six flowers and each flower has a number. These are the numbers: 20,40,39,28,8,9. What number will be in the middle of the flower so that the numbers come from the flowers when we subtract and add? - Lcd3

What is LCD of the equation of ? ? And what is x? - Candy

Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?

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