Time + subtraction - practice problems
Number of problems found: 148
- Monthly expenses
John's monthly expenses are analysed as follow: 1/8 for stationery, 1/3 for fuel, 1/6 for parking, and the rest for food. His total expenses is 4500. Calculate the rand value of the food expenses. - Human population
The populations of two cities after t years can be modeled by -150t+50,000 and 50t+75,000 . What is the difference in the populations of the cities when t=4? - A farmer 9
A farmer has 3 hectares of an orchard. ½ of the land is occupied by apples, ⅙ of the remainder is occupied by lemon trees, and tree tomatoes occupy the rest of it. Find the fraction of the land occupied by tree tomatoes. - Free time club
There are 60 children in a club 1/3 of them play football, 2/5 of them play cricket, and the rest play basketball. How many children play basketball - Jeremy
Jeremy practiced the piano for 1 and 3/4 hours during the week. He practiced 1 and 1/3 hours less during the week than over the weekend. How long did he practice the piano over the weekend? - Temperature dropping
If the temperature drops 2 degrees for 6 hours and the starting temperature is 10 degrees, what will the new temperature be? - Mother 16
Mother cooks food in 1 3/4 hours and prepares the children's snack in 4/6 of an hour. How much longer does she cook the food than prepare the children's snacks? - The temperature 48
The temperature in the town is 36.6°F during the day and -12.6°F at night. What is the temperature change from day to night? - 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? - The track 2
The track team is trying to reduce their time for a relay race. First, they reduce their time by 2.1 minutes. Then, they are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time? Show or explain your reasoni - Mary spends
Mary spends 2 1/8 hours running and also spends 1 5/7 hours at the mall. How much less time does Mary spend at the mall compared to running? - Sonya
Sonya, Jill, and Donna run each Monday. Jill ran 6/12 of an hour, and Donna ran 5/12 of an hour. If the girls ran a total of one whole hour, what fraction of an hour did Sonya run? - Marks 3
Mark's temperature at 9:00 AM was 97.2°F. At 4:00 PM, his temperature was 99°F. By how many degrees did his temp rise? - A chocolate 2
A chocolate cake is cut into twelve equal pieces. Mr. Greedy eats five pieces at break time with his mug of tea. What fraction of the cake is left? - Two sides 2
Two sides of a triangle are 12 and 15, and the perimeter is 40. Find the other side. - The snowfall
The state of Michigan recorded an all-time high snowfall of 355.9 inches during the winter of 1978-79. Its lowest snowfall of 81.3 inches was recorded during the winter of 1930-31. How much more snowfall did Michigan receive during the winter of 1978-79 t - You start
You start watching video streaming service at 7:15 a.m. and stop at 12:47 p.m. How long did you watch video online? - Philip
Philip is snorkeling along a coral reef. He's wearing an altimeter, which tracks his elevation. Philip snaps a picture of the reef at an elevation of -10 1/2 feet. Then he spots a nurse shark and swims to it for a closer look. By the time he reaches the s - Her garden
Lira harvested 135 different flowers in her garden. Two-ninths of them are roses, and the rest are tulips. How many tulips are? - Workers
Suppose John starts work at 8:45 AM and finishes at 5:15 PM. He has 90 minutes of breaks. How many hours does he work in 5 days?
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