5. Adding a double check strategy - at the end Question 1 Liam and four friends bought sandwiches. Each sandwich cost $$ \$ 12.50 $$. Liam used a coupon that gave $$ \$ 2 $$ off each sandwich. Which expression cannot be used to find the total amount they paid? A. $$ 5 imes 12.50-10 $$ B. $$ (12.50-2) imes 5 $$ C. $$ 5 imes 12.50-2 $$ . $$ (5 imes 12.50)-(5 imes 2) $$

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5. Adding a double check strategy - at the end Question 1 Liam and four friends bought sandwiches. Each sandwich cost $$ \$ 12.50 $$. Liam used a coupon that gave $$ \$ 2 $$ off each sandwich. Which expression cannot be used to find the total amount they paid? A. $$ 5 	imes 12.50-10 $$ B. $$ (12.50-2) 	imes 5 $$ C. $$ 5 	imes 12.50-2 $$ . $$ (5 	imes 12.50)-(5 	imes 2) $$

UpStudy AI · Accepted Answer

To find the total amount Liam and his friends paid for the sandwiches, we need to calculate the cost of the sandwiches after applying the coupon discount.

Given:
- Each sandwich costs $12.50.
- Liam used a coupon that gave $2 off each sandwich.

Let's calculate the total amount they paid using the given expressions:

A. $$ 5 	imes 12.50 - 10 $$
B. $$ (12.50 - 2) 	imes 5 $$
C. $$ 5 	imes 12.50 - 2 $$
D. $$ (5 	imes 12.50) - (5 	imes 2) $$

Now, let's calculate each expression to determine which one cannot be used to find the total amount they paid.
Calculate the value by following steps:
- step0: Calculate:
  $$5	imes 12.5-10$$
- step1: Multiply the numbers:
  $$62.5-10$$
- step2: Subtract the numbers:
  $$52.5$$
Calculate or simplify the expression $$ (12.50-2)*5 $$.
Calculate the value by following steps:
- step0: Calculate:
  $$\left(12.5-2ight)	imes 5$$
- step1: Subtract the numbers:
  $$10.5	imes 5$$
- step2: Multiply the numbers:
  $$52.5$$
Calculate or simplify the expression $$ 5*12.50-2 $$.
Calculate the value by following steps:
- step0: Calculate:
  $$5	imes 12.5-2$$
- step1: Multiply the numbers:
  $$62.5-2$$
- step2: Subtract the numbers:
  $$60.5$$
Calculate or simplify the expression $$ (5*12.50)-(5*2) $$.
Calculate the value by following steps:
- step0: Calculate:
  $$\left(5	imes 12.5ight)-\left(5	imes 2ight)$$
- step1: Multiply the numbers:
  $$62.5-\left(5	imes 2ight)$$
- step2: Multiply the numbers:
  $$62.5-10$$
- step3: Subtract the numbers:
  $$52.5$$
The expression that cannot be used to find the total amount they paid is option C, $$ 5 	imes 12.50 - 2 $$, because it does not correctly apply the coupon discount to each sandwich.
The expression that cannot be used to find the total amount they paid is $$ 5 	imes 12.50 - 2 $$.

Adding a double check strategy - at the end
Question 1
Liam and four friends bought sandwiches. Each sandwich cost . Liam used a coupon that
gave off each sandwich. Which expression cannot be used to find the total amount they paid?
A.
B.
C.
.

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Adding a double check strategy - at the end Question 1 Liam and four friends bought sandwiches. Each sandwich cost . Liam used a coupon that gave off each sandwich. Which expression cannot be used to find the total amount they paid? A. B. C. .