# Adding + system of equations - math problems

#### Number of problems found: 23

• Two equations
Solve equations (use adding and subtracting of linear equations): -4x+11y=5 6x-11y=-5
• The ratio
The ratio of two numbers is 4, and their sum is 75. Determine both numbers.
• Two numbers 7
The sum of two consecutive even numbers is 30. Find the numbers.
• Three ints
The sum of three consecutive integers is 2016. What numbers are they?
• Two numbers
The sum of two numbers is 1. Identify this two numbers if you know that the half of first is equal to the third of second number.
• Internal angles IST
Determine internal angles of isosceles trapezium ABCD /a, c are the bases/ and if: alpha:gamma = 1:3
Divide number 135 into two additions so that one adds 30 more than 2/5 of the other add. Write the bigger one.
• Three numbers
Find three numbers so that the second number is 4 times greater than the first and the third is lower by 5 than the second number. Their sum is 67.
• Algebrogram
Solve algebrogram for sum of three numbers: BEK KEMR SOMR ________ HERCI
• Playing Cards
Kara has 2 times more cards than Dana, Dana has 4× less than Mary. Together they have 728 cards. How many cards has each of them?
Number 839 divide into the two addends that the first was 17 greater than 60% of the second. Determine these addends.
• Chocholate pyramid
How many chocolates are in the third shelf when at the 8th shelf are 41 chocolates in any other shelf is 7 chocolates more the previous shelf.
• The sum
The sum of the squares of two immediately following natural numbers is 1201. Find these numbers.
• A number 4
A number is made up of two digits. The sum of the digits is 11. if the digits are interchanged, the original number is increase by 9. Find the original number
• Workhorses
A team of colleagues done the work in 20 days. After adding 2 colleagues from the beginning the work was completed in 15 days. How many members has the colleague team?
• Landlord
Landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now 5 ducats more?
• ZOO
In the zoo was elephants as many as ostrichs. Monkeys was 4 times more than elephants. Monkeys were as many as flamingos. Wolves were 5 times less as flamingos. How many of these animals were together? We know that there were four wolves.
• Store
One meter of the textile was discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile.
• Crates 2
In 6 crates is 45 kg of apples In  5 crates is equally In 1 in crate is 3 kg more How many kilograms in each crate?
• Six-sided polygon
In a six-sided polygon. The first two angles are equal, the third angle is twice (the equal angles), two other angles are trice the equal angle, while the last angle is a right angle. Find the value of each angle.

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