MATHEMATICS MIDDLE SCHOOL

Please help me to answer these questions!! Thank you in advance. 1 - A string is cut into three pieces in the ratio 5 : 4 : 2. If the longest piece of string is 87 cm longer than the shortest piece of string, find the length of the string before it is being cut.
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2- A bookstore sold fiction books, textbooks and workbooks last month in the ratio 6 : 5 : 9 respectively. If the store sold 1350 workbooks, what was the total number of fiction books and textbooks sold that month??
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Answers

Answer 1
Answer: 1.     5:4:2
5x=87
x=17.4

4(17.4)=69.6
2(17.4)=34.8
add all the lengths together to find the amount of total string
87+69.6+34.8= 191.4

im not sure how to work the second one out. 

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HIGH SCHOOL

A recipe requires 1/3 cup of milk for each 1/4 cup of water. How many cups of water are needed for each cup of milk? a. 1/12
b. 3/4
c. 11/12
d. 1 1/3

Answers

D) 1 1/3

(1/3) x reciprocal of 1/4 so (4/1) = 4/3 which simplifies to 1 1/3 
MIDDLE SCHOOL

Step 1. Create a scenario that leads to an inequality of the form ax + b > c. You can use any of the inequality symbols (>, ≥, <, ≤) in your inequality. For this step, just write the word problem. Step 2. Write the inequality and show all work to solve the inequality.
Step 3. Graph the solution to your inequality on a number line.
Step 4. Explain what your solution means in the context of the problem.

Answers

1 -A company has 10 acres of land for their company headquarters. They want to increase their headquarters to at least 56 acres of land. How many acres can the company purchase.

2-         10 acres + X ≥ 56 acres

           -10                   -10

         ----------------------------
              0                    46

                      X = 46

 


3-    ß---|--------------------------------------------------------------à

              46

4- 46 is the amount of acres the company needs to buy in order to get at least 56 acres added

MIDDLE SCHOOL

Product of seven and x

Answers

Product of seven and x = 7x
hope it helps
MIDDLE SCHOOL

10s are equal thousand is it true or false

Answers

The answer for this is False
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