Use an equation to solve the problem.

1. What is 57% of 11?
a. 11 = 0.57 x n; 19.3****
b. n = 57 x 11; 627
c. n = 0.57 x 11; 6.27
d. 11 = 57 x n; 0.19

2. What is 45% of 10?
a. 450
b. 45
c. 4.5****
d. 0.45

2 is right. 1 is incorrect. For #1, does it make sense that 57% of 11 can be more than 11?

Sorry, I guess I am just tired. Is number #1 C? I think its C because it seems only logical.

Yes, C is the correct answer but not because it's logical, although it is..

0.57 x 11 = 6.27
Logic will tell you a and b can't be right. Logic will tell you that 50% of 11 is about 5.5 so 6.27 is the closest answer there.

Ok, thank you very much DrBob222! You made my day :-D

To solve these problems using an equation, we can use the formula for finding a percentage of a number:

Percentage x Number = Result

Let's apply this formula to each problem:

1. What is 57% of 11?

The equation will be: 57% x 11 = Result
We need to convert the percentage to decimal form, so 57% becomes 0.57.
Substituting the values, we get: 0.57 x 11 = Result
Evaluating the equation gives us: 6.27.

So the correct answer is c. n = 0.57 x 11; 6.27.

2. What is 45% of 10?

The equation will be: 45% x 10 = Result
Converting the percentage to decimal form, 45% becomes 0.45.
Substituting the values, we get: 0.45 x 10 = Result
Evaluating the equation gives us: 4.5.

So the correct answer is c. 4.5.