# Adding + system of equations - math problems

#### Number of problems found: 22

• 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, their sum is 75. Determine both numbers.
• Internal angles IST Determine internal angles of isosceles trapezium ABCD /a, c are the bases/ and if: alpha:gamma = 1:3
• Algebrogram Solve algebrogram for sum of three numbers: BEK KEMR SOMR ________ HERCI
• 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?
• The sum The sum of the squares of two immediately following natural numbers is 1201. Find these numbers. Divide number 135 into two additions so that one adds 30 more than 2/5 of the other add. Write the bigger one. Number 839 divide into the two addends that the first was 17 greater than 60% of the second. Determine these addends.
• 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.
• Landlord Landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now 5 ducats more?
• 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?
• 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.
• 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?
• 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.
• 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.
• 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?
• 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.
• 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.
• Coffee In-stock are three kinds of branded coffee prices: I. Kind. .. .. .205 Kc/kg II. Kind. .. .. .274 Kc/kg III. Kind. .. .. 168 Kc/kg Mixing these three species in the ratio 8:5:6 create a mixture. What will be the price of 100 grams of this mixture?

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