How many ounces are there in a gallon?

Correct Answer: C 🗳️
Use dimensional analysis to convert from gallons to ounces.
1 Gallon = 4 Quarts
1 Quart = 2 Pints
1 Pint = 2 Cups
1 Cup = 8 Ounces

What is 70% of 65?

Correct Answer: A 🗳️
Recall that:

Substitute given values and solve for the unknown:

Alternatively, directly multiplying 65 by 0.7 will yield the same result.

For a recipe, there are 3 eggs needed for every pound of cake needed. How many pounds of cake can be made if there are 40 eggs?

Correct Answer: B 🗳️
Write a proportion to represent the situation:

Cross multiply and solve for the variable x:
3x = 40 x = 131/3
Only 13 pounds of cake can be made.

Evaluate:
x4 y if x = 3 and y = 20

Correct Answer: A 🗳️
Substitute the values of x and y into the given equation and evaluate:
= 34 (20)
= 81 20
= 61

Subtract: 1001 − 99 =

Correct Answer: Explanation 🗳️
Count up from 99 to 100 (+1) and from 100 to 1001 (+901). The answer is the sum of 901 and 1.