Expression of a variable from the formula + time - practice problems
Number of problems found: 308
- Express 71
Express 2 minutes 30 seconds as a fraction of 3/4 hours. - Greg and Bill
Greg is 18 years old. He is six less than four times Bill's age. How old is Bill? - Workers 9
If two workers fix two windows in an hour, how many windows can 18 workers fix in the same two windows? - Maya is
Maya is 14 years old. Her brother Jorge is three years more than half her age. Which of the following is the correct expression for Jorge's age? - Younger 7832
Dad is r years old, and Mom is two years younger. The son is 20 years younger than the father. How old are they? - 56.9 divided
56.9 divided by 10 missing exponents = 0.569 - Leo bought
Leo bought 4 T-shirts and 2 pants of pants for Pho 3000. If the T-shirts cost 300 each, find the cost of each pair of pants - The speed
A moving object's speed (v) is inversely proportional to the time (t) traveled and is written as? - Percentage increase
What is the annual percentage increase in the city when the population has tripled in 20 years? - One and a half chicken
One and a half chicken bears one and a half eggs in one and a half-day. How many eggs can withstand from 6 chicken in 6 days? - Bea, Gerald and Julia
Bea is two years younger than Gerald, but Julia is 8 years older than Gerald. If Julia is 29, how old is Bea? - Free fall
How long does the stone fall freely into a depth of 80m? What speed will it hit the bottom of the abyss? - Demographics
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population? - Grandfather 7622
My grandfather says, "My son and I are 100 years old, my son and my grandson are 62 years old, and my grandson and I are 80 years old together." How old is your grandfather? - Annual increase
The number of cars produced increased from 45,000 to 47,000 in 3 years. Calculate the average annual increase in cars in%. - Workers 31841
Twelve workers earned 2,000 euros in 10 days. How many workers would 14 workers earn in 8 days? - Kilometers 4614
The car is traveling at 130 km/h. a / How many hours will it help the car drive for kilometers? b / How many kilometers will the car travel in h hours? - Three children
Three children eat eight chocolates in 6 days. How many chocolates do six children eat in 18 days? - Circumference 7655
The triangle has a circumference of 35 cm. One side is four times longer than the other and, at the same time, 1 cm longer than the third. Determine the sides of the triangle. - Two companies
The two companies did work together for 100 days. The first company would do it in 150 days. How many days would the work take the second company?
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