Math / Algebra

QuestionPenny had $\$ 117$ , which is 9 times as much money as Kari had. How much money did Kari have?
Select the correct solution method below, where $x$ represents Kari's money. A. $9 x=117$ . Divide both sides by 9 . Kari had $\$ 13$ . B. $x-9=117$ . Add 9 to both sides. Kari had $\$ 126$ . C. $x+9=117$ . Subtract 9 from both sides. Kari had $\$ 108$ . D. $\frac{x}{9}=117$ . Multiply both sides by 9. Kari had $\$ 1053$ .

Studdy Solution

STEP 1

1. Penny had \$117.
2. Penny's amount is 9 times as much as Kari's amount.
3. We need to find how much money Kari had.
4. $ x $ represents the amount of money Kari had.

STEP 2

1. Understand the relationship between Penny's and Kari's money.
2. Set up the correct equation using the variable $x$ .
3. Solve the equation for $x$ .
4. Verify the solution method and result.

STEP 3

Understand the relationship between Penny's and Kari's money. Penny's money is 9 times Kari's money.

STEP 4

Set up the correct equation using the variable $x$ . Since Penny's money is 9 times Kari's money, we have:
$9x = 117$

STEP 5

Solve the equation for $x$ . Divide both sides by 9 to isolate $x$ :
$x = \frac{117}{9}$ $x = 13$

STEP 6

Verify the solution method and result. The correct solution method is:
A. $9x = 117$ . Divide both sides by 9. Kari had \$13.

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Studdy Solution

STEP 1

1. Penny had \$117.
2. Penny's amount is 9 times as much as Kari's amount.
3. We need to find how much money Kari had.
4. \( x \) represents the amount of money Kari had.

STEP 2

1. Understand the relationship between Penny's and Kari's money.
2. Set up the correct equation using the variable $x$ .
3. Solve the equation for $x$ .
4. Verify the solution method and result.

STEP 3

Understand the relationship between Penny's and Kari's money. Penny's money is 9 times Kari's money.

STEP 4

Set up the correct equation using the variable $x$ . Since Penny's money is 9 times Kari's money, we have:
$9x = 117$

STEP 5

Solve the equation for $x$ . Divide both sides by 9 to isolate $x$ :
$x = \frac{117}{9}$ $x = 13$

STEP 6

Verify the solution method and result. The correct solution method is:
A. $9x = 117$ . Divide both sides by 9. Kari had \$13.

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Studdy Solution

STEP 1

1. Penny had \$117.2. Penny's amount is 9 times as much as Kari's amount.3. We need to find how much money Kari had.4. \( x \) represents the amount of money Kari had.

STEP 2

1. Understand the relationship between Penny's and Kari's money.2. Set up the correct equation using the variable x x x.3. Solve the equation for x x x.4. Verify the solution method and result.

STEP 3

Understand the relationship between Penny's and Kari's money. Penny's money is 9 times Kari's money.

STEP 4

Set up the correct equation using the variable x x x. Since Penny's money is 9 times Kari's money, we have:9x=117 9x = 117 9x=117

STEP 5

Solve the equation for x x x. Divide both sides by 9 to isolate x x x:x=1179 x = \frac{117}{9} x=9117​ x=13 x = 13 x=13

STEP 6

Verify the solution method and result. The correct solution method is:A. 9x=117 9x = 117 9x=117. Divide both sides by 9. Kari had \$13.

Get Studdy

Studdy solves anything!

Start learning now

Download Studdy AI Tutor now. Learn with ease and get all help you need to be successful at school.

1. Penny had \$117.
2. Penny's amount is 9 times as much as Kari's amount.
3. We need to find how much money Kari had.
4. \( x \) represents the amount of money Kari had.

1. Understand the relationship between Penny's and Kari's money.
2. Set up the correct equation using the variable $x$ .
3. Solve the equation for $x$ .
4. Verify the solution method and result.

Set up the correct equation using the variable $x$ . Since Penny's money is 9 times Kari's money, we have:
$9x = 117$

Solve the equation for $x$ . Divide both sides by 9 to isolate $x$ :
$x = \frac{117}{9}$ $x = 13$

Verify the solution method and result. The correct solution method is:
A. $9x = 117$ . Divide both sides by 9. Kari had \$13.