Mathematics Middle School

Jackie followed these steps to evaluate the expression 15- (37+8) divided by 3.
37+8=45
45-15=30
30 divided by 3=10
Mark looks at Jackie's work and says she made a mistake. He says she should have divided by 3 before she subtracted.
Part A
Which student is correct?
???
Part B
Evaluate the expression.
???

Answers

Answer 1

Answer:

Nothing is wrong with the equation but the order of operations still applies.

PEMDAS ( Parenthesis, Exponents, Math/Division, Addition/Subtraction)

First do what's in the parenthesis then division then subtract that number from 15

Step-by-step explanation:

Answer 2

Answer:

I'm confused...

Step-by-step explanation: Sorry

Related Questions

Justin is going to the school dance. He went to the mall and bought two new shirts for $21.99 each and a new pair of dress shoes for $45.59. Which two operations would be used in order to figure out how much he spent at the store?

A. multiply and add

B. add and subtract

C. multiply and subtract

D. divide and add

Answers

Answer:

A- Multiplication and Addition.

Step-by-step explanation:

Two shirts for $21.99 each, you'd need to use multiplication to find that out.

$45.59 and $21.99 (2x), you'd need to use addition to find out that total.

The answer is A: multiply an add

Margaret gave the waitress $50 for 6 burgers. She received $9.80 in change. Each burger cost the same amount. How much was each burger?

Answers

Answer = $6.70
Explanation - you have to subtract 9.80 from 50 first which equals 40.2. You then have to divide 40.2 by 6 to figure out how much each burger cost, which equals 6.7. Therefore each burger cost a total of $6.7
$6.70
explanation - subtract $9.80 from the $50 she paid in total which leaves $40.2 and then you divide $40.2 by 6 and you get your answer, $6.70

help meh please i want help

Answers

12

because the greatest common factor (gcf) of the two numbers 36 and 24 is 12. Hence, if he makes 12 packages, they would be identical.

Desiree went to the store to buy potatoes. She noticed a sign that said that she could get 3 for $1.05. How much would it cost her to buy 8 potatoes?

Answers

Answer:

$2.80

Step-by-step explanation:

1.05/3 =0.35 price per unit

0.35*8

$2.80

Answer:

$2.35

Step-by-step explanation:

you would add the 1.05 three times and then divide the answer by 3.and then you would get 2.35

Clare made a smoothie with 1 cup of yogurt, 3 tablespoons of peanut butter, 2 teaspoons of chocolate syrup, and 2 cups of crushed ice.

Kiran tried to double this recipe. He used 2 cups of yogurt, 6 tablespoons of peanut butter, 5 teaspoons of chocolate syrup, and 4 cups of crushed ice. He didn't think it tasted right. Describe how the flavor of Kiran's recipe compares to Clare's recipe.
How should Kiran change the quantities that he used so that his smoothie tastes just like Clare's?

Answers

Answer:

Step-by-step explanation:he needs to only add 4 teaspoons of chocolate syrup instead of 5 take make it taste like Clare's smoothie

he needs to put 4 cups of chocolate syrup instead of 5.

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