# Reason + system of equations - math problems

#### Number of problems found: 194

• Sweets 3 chocolate and 7 cakes cost 85, - CZK. 2 chocolates and 6 cakes cost 86, - CZK. How much is 5 chocolates and 9 cakes? I wonder how to get the result, but only by logic without the use of a system of equations
• Have solution The sum of four consecutive even numbers is 92. Determine these numbers.
• Algebrogram Solve algebrogram: mama+anna=vari How many solutions are?
• Three ints The sum of three consecutive integers is 2016. What numbers are they?
• Unknown numbers The sum of two consecutive natural numbers and their triple is 92. Find these numbers.
• Large family I have as many brothers as sisters and each my brother has twice as many sisters as brothers. How many children do parents have?
• Age In 1960 my age was equal to the digits sum of the year of my birth. What is my age now?
• Circus On the circus performance was 150 people. Men were 10 less than women and children 50 more than adults. How many children were in the circus?
• Three friends The three friends spent 600 KC in a teahouse. Thomas paid twice as much as Paul. Paul a half less than Zdeněk. How many each paid?
• Trickster Figliarko has 13 cents less than Hana. Together they have 57 cents. How many cents has Hana and how many Figliarko?
• Wine A bottle of wine costs 21 euros; and wine is 20 times more expensive than a bottle. How much a bottle cost?
• Friends Some friends had to collect the sum 72 EUR equally. If the three refused their part, others would have to give each 4 euros more. How many are friends?
• Odd numbers The sum of four consecutive odd numbers is 1048. Find those numbers ...
• Father and son Father and son are together 78 years. Son is 25 years younger than father. How old is the son?
• Difference of two number The difference of two numbers is 20. They are positive integers greater than zero. The first number raised to one-half equals the second number. Determine the two numbers.
• Unknown number 10 Number first increased by 30%, then by 1/5. What percentage we've increased the original number?
• Years Susan is 3 years and as she will be old as Teodor now him will be 11. How old is Teodor today?
• Coffee Coffee from the machine in the cup cost 28 cents. Coffee is 20 cents more expensive than the cup. How much is the cup?
• Nuts Peter has 49 nuts. Walnuts have 3 more than hazelnuts and hazelnut 2 over almonds. Determine the number of wallnuts, almonds and hazelnuts.
• Magic number The number 135 split to two addends so that one addend was 30 greater than 2/5 the addend.

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