Financial Decisions
Sarah's bank account balance was -$24.50. She made a deposit of $50.00. What is her new balance?
$25.50
The temperature at midnight was -4.5oc by noon, it rose by 12.3oc what is the temperature at noon?
7.8oc
A baker uses 2 1/4 cups of flour for cake and 1 2/3 cups for cookies. How much total flour did they use?
3 11/12 cups
A football team loses 8.5 yards on first down, then gains 12 1/4 yards on second down. What is the total net yardage?
3 3/4 yards
5.875
A tech stock drops $1.25 every day for 6 days. What is the total change in the stock's value?
-$7.50
A chemist cools a liquid solution so that its temperature drops by 1 1/2oF every 1 hour. What is the total temperature change after 5 hours?
-7.5F
You have a ribbon that is 8feet long. You cut off a piece that is 3 3/8 feet. How much ribbon is left?
4 5/8 feet
A submarine is sitting at an altitude of -120.5 meters relative to sea level. It descends an additional 45.75 meters. What is its new altitude?
-166.25meters
A biologist is monitoring a bacteria culture in a petri dish. The initial mass of the culture is 0.45 grams.Due to a specialized nutrient solution, the mass of the culture increases by a factor of 22/3times every hour. What is the mass of the bacterial culture after two hours?
3.2 grams
Marcus owes 4 friends an equal amount of money. If his total debt is -$55.00, how much does he owe each friend?
-$13.75
A rain gauge recorded -2.4inches relative to the monthly average. If a heavy storm adds 3 3/4 inches of water, where does the gauge stand now relative to the average?
1.35 or 1 7/20
A recipe calls for 3/4 cup of sugar. If you want to make 2.5 batches of the recipe, how much sugar do you need?
1.875
A hiker starts a mountain trail at 250.5 feet above sea level. They descend to a valley floor that is -40.25 feet below sea level. What is the total vertical distance they traveled downwards?
290.75 feet
A town neighborhood manages a community garden that currently covers 120.5 square meters. The town council decides to expand the garden to accommodate more families. They increase the total area to 210.875 square meters. If each new family plot requires exactly 6 1/4 square meters, how many new family plots can be added to the expanded area?
14
Maya buys 3.5 pounds of apples at $1.80 per pound. She pays with a $20 bill. How much change does she receive?
$13.75
A glacier is retreating at a steady rate of -4.2meters per year. How many years will it take for the total retreat to reach -27.3meters?
6.5 years
A carpenter has a wooden plank that is 10.5feet long. They need to cut it into smaller shelves that are each 1 3/4 feet long. How many shelves can they make?
6 shelves
Clue: A scuba diver descends from sea level at a rate of -2 1/2 feet per second. Where will the diver be relative to sea level after 18 seconds?
-45 feet
An entrepreneur invests $5000 into a green-energy startup. the investment grows by 12.5%. Then the grow by another
12.5%. What is the final value of the investment, and what was the net change from the original investment?
$6328.13
A business lost a total of -$1,200.50 over a 5 -month period due to a broken machine. If the losses were identical each month, write and solve an expression showing the monthly impact.
-$240.10
Over four days, the low temperatures in an Arctic research station were -10.5oF, -14.2oF,-8.1oF, and -12.8oF. What was the average low temperature?
-11.4oF
Clue: A punch bowl has 5 1/2 cups of juice. Jessica drinks 1 1/4 cups, and Sam spills 1/3 of a cup. How much juice is left in the bowl?
3 11/12 cups
A drone starts at an altitude of 45 1/2 meters. It drops 12.3 meters, rises 8.45 meters, and then drops another 15 1/4 meters. What is its final altitude?
26.4 meters
Leo is scaling a bakery recipe that calls for \(2\frac{1}{4}\) cups of flour per batch, but he wants to make \(3 1/2 batches. However, he accidentally spills 1.75 cups of flour out of his total measured amount before mixing. Write and evaluate a single expression to find how many cups of flour Leo actually has left in his bowl for the recipe.
6.125 cups