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Problem Solving. Word Problems. Steps. Decide on the unknown quantity and allocate a variable Decide with operations are involved Translate the problem into an equations Solve the equation Check the solution Write your answer in sentence form.
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Problem Solving Word Problems
Steps • Decide on the unknown quantity and allocate a variable • Decide with operations are involved • Translate the problem into an equations • Solve the equation • Check the solution • Write your answer in sentence form
When a number is tripled and subtracted from 7, the result is -11. What is the number?
What number must be added to both the numerator and the denominator of the fraction 1/3 to get the fraction 7/8?
Sarah’s age is one third of her dad’s age. In 13 years’ time her age will be half of her dad’s age. How old is Sarah now?
Britney has only 2-cent and 5-cent stamps. Their total value is $1.78, and there are two more 5-cent stamps than 2-cent stamps. How many 2-cent stamps are there?
I invest in oil shares which earn me 12% yearly, and in coal mining shares which earn me 10% yearly. If I invest $3000 more in oil shares than in coal mining shares and my total yearly earnings amount to $910, how much do I invest in each type of share?
A car travels for 2 hours at a certain speed and then 3 hours more at a speed 10km/h fast than this. If the entire distance travelled is 455km, fin the car’s speed in the first two hours of travel.
How much water should be added to 2 liters of 5% mixture to produce a 3% mixture?
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