MATHEMATICS MIDDLE SCHOOL

There are 8 calories in a candy bar. How many
calories are there in 4 candy bars ?

Answers

Answer 1
Answer:

Answer:

32 calories

Step-by-step explanation:

8 calories in 1 candy bar

8(calories) X 4(candy bars)

8*4=32
Answer 2
Answer:

Answer:

406 calories

Step-by-step explanation:

1 bar=2.6 oz(73g)

4 x 2.6 = 10.4

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What is 32.7 times 10

5x70=5x_ tens=_tens=_

Answers

5 * 70 = 5 * 70 tens = 35 tens = 350

Answer : 350

Step-by-step explanation:

Jerome, Kevin, and Seth shared a submarine sandwich.Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the
sandwich, and Seth ate the rest. What is the ratio of
Jerome’s share to Kevin’s share to Seth’s share?
A. 2:3:6
B. 2:6:3
C. 3:1:2
D. 3:2:1
E. 6:3:2

Answers

Seth at 1 - 1/2 - 1/3 = 1/6 of the sandwich.

Therefore the ratio is:

1/2 : 1/3 : 1/6

Multiply everything by 6:

3: 2: 1 D

What does 1.8e10 mean

Answers

For this case we have an expression of the form:
 a * e (b)
 We can rewrite this expression in scientific notation as:
 a * 10 ^ b
 Where,
 a: coefficient of scientific notation
 b: base ten exponent
 We then have the following expression:
 1.8e10
 Rewriting we have:
 1.8 * 10 ^ {10}
 Answer:
 1.8e10 = 1.8 * 10 ^ {10}
it means 1.8 × 10 to the tenth power. the E is a ten are you working with scientific notation

How do I solve variable problems such as, 7(2m + 6) + 8m?
How do I solve problems like that

Answers

7(2m+6)+ 8m
= 7*2m+ 7*6+ 8m
= 14m+ 42+ 8m
= (14m+ 8m)+ 42 (combine like terms)
= 22m+ 42

The final answer is 22m+ 42~

Marcus can choose between a monthly salaryof $1,500 plus 5.5% of sales or $2,400 plus 3% of sales. He expects sales
between $5,000 and $10,000 a month. Which salary option should he
choose? Explain

Answers

Marcus should choose $2,400 plus 3% of sales. 

His salary is composed of a fixed salary and a variable salary.

Fixed Salary   +   Variable Salary  = Monthly Salary
2400                   150 (3% of 5k)    = 2350  - minimum salary he'll receive
2400                   300 (3% of 10k)  = 2700  - maximum salary he'll receive

VS

Fixed Salary    + Variable Salary  = Monthly Salary
1500                  275 (5.5% of 5k) = 1775 - minimum salary he'll receive
1500                  550 (5.5% of 10k) = 2,050 - maximum salary he'll receive

As you can see, despite the high percentage of sales offered, it is not a good option because the fixed salary is low as compared to the other option. Even the maximum salary he'll receive under the option $1500 is way lower than the minimum salary he'll receive under the option $2400.

Answer:

Marcus can choose between a monthly salary of $1,500 plus 5.5% of sales or $2,400 plus 3% of sales. He expects sales between $5,000 and $10,000 a month. Which salary option should he choose? Explain.

Step-by-step explanation:

Every 5 and 1/2 cups of flour weighs 1 9/16 pounds. Use a unit rate to show how you could determine if there are more than or less than 35 cups of flour in a 10 pound bag.PLEASE HELP

Answers

Workings are in the attachment below. Have made the new attachment clearer and more precise.
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