Math SAT prep 2024

Front

What does the function f(t) = 100 + 25t represent in the context of monthly deposits?

Back

The function represents the total amount in Hana's bank account after t monthly deposits, where 100 is the initial amount and 25 is the amount added with each deposit.

Front

What is the interpretation of the number 25 in the function f(t) = 100 + 25t?

Back

With each monthly deposit, the amount in Hana’s bank account increased by $25.

Front

How do you calculate what percentage one number is of another?

Back

To find what percentage of a number x is another number y, use the formula: (y/x) * 100.

Front

What percentage of 300 is 75?

Back

25%.

Front

What does the equation 2.5b + 5r = 80 represent?

Back

It represents the relationship between the number of birds (b) and reptiles (r) that can be cared for at a pet care business.

Front

If a pet care business cares for 16 reptiles, how many birds can it care for according to the equation 2.5b + 5r = 80?

Back

0 birds.

Front

How do you find the original price of an item after a discount?

Back

Add the discount amount to the final price to find the original price.

Front

If Nasir bought 9 storage bins for a total of $27 after a $63 discount, what was the original price of one storage bin?

Back

$10.

Front

What is the formula for the perimeter of an isosceles right triangle?

Back

The perimeter P is given by P = 2a + c, where a is the length of the equal sides and c is the hypotenuse.

Front

If the hypotenuse of an isosceles right triangle is 58 inches, what is the length of each leg?

Back

Each leg is approximately 41 inches (using the formula a = c/√2).