ACT Prep Math - Dean

Front

What is the formula to calculate the cost of gas for a trip?

Back

Cost of gas = (Total miles / Miles per gallon) * Cost per gallon.

Front

If a car averages 27 miles per gallon, how many gallons of gas are needed to travel 2,727 miles?

Back

Gallons needed = 2,727 miles / 27 miles per gallon = 101 gallons.

Front

How do you calculate the total cost after a discount?

Back

Total cost after discount = Original price - (Original price * Discount rate).

Front

If apples cost $2 per pound and a customer buys 5 pounds, what is the total cost before discount?

Back

Total cost before discount = 5 pounds * $2/pound = $10.

Front

What is the total cost for a customer who receives a 10% discount on a $10 purchase?

Back

Total cost after discount = $10 - ($10 * 0.10) = $9.

Front

How many Milk Bones does Kobe eat in a year if he eats 14 per week?

Back

Total Milk Bones in a year = 14 Milk Bones/week * 52 weeks = 728 Milk Bones.

Front

If there are 125 people and each minivan holds 8 people, how many minivans are needed?

Back

Minivans needed = 125 people / 8 people/minivan = 15.625, round up to 16 minivans.

Front

What is the relationship between sales in different years if the second year is $3 million more than the first?

Back

Sales in the second year = Sales in the first year + $3 million.

Front

If sales for the third year are double the second year and are $38 million, what were the sales for the second year?

Back

Sales for the second year = $38 million / 2 = $19 million.

Front

If sales for the first year are $3 million less than the second year, what is the first year's sales if the second year is $19 million?

Back

Sales for the first year = $19 million - $3 million = $16 million.